The Effects of Plastic Bags on Environment free essay sample

The utilization of the plastic turns out to be increasingly negative impacts on the wellbeing and condition. It influenced by plastic packs since we discard every one of them mistakenly and hurtful when utilizing in enormous amount and furthermore in view of the ignorant of the outcomes of utilizing the plastic sacks. This part should have been alert since plastic sacks are constantly utilized and afterward it additionally will be presented us to the risky by proceeding of utilizing the plastic packs. In this manner, by changing our lifestyles can assist with lessening the destructive which is affected to the human and others.As individuals know, plastic is synthetic materials which posture to the ecological issue, for example, air contamination and waste blockage issue. The plastic contamination can cause numerous issues, for example, an infection which are expensive to treat and it likewise will be hard to oversee. Before this occurred, why not we should know about ourselves and the encompassing from everything that can be occurred. We will compose a custom exposition test on The Effects of Plastic Bags on Environment or then again any comparable point explicitly for you Don't WasteYour Time Recruit WRITER Just 13.90/page Next, when the consuming of the plastics it can cause the air contamination. From the consuming of plastics, there are a lot of the hazardous gas contained in it. The contaminations additionally can influence the ozone layer and a dangerous atmospheric devation. It likewise can influence the human’s wellbeing. Plastics are made out of petrochemicals that can deliver the corrosive downpour as the synthetic compounds discharged into the air. Next, if a lot of the plastics in the channel it might influence to the waste framework. That’s why plastics is the both of the elements that can cause the blockage of the waste framework. This will happen particularly during the stormy seasons and furthermore cause the flooding. In conclusion, possibly our nation will the loss of the travel industry. Can be featured here, no one needs to interface with the filthy environment.After that, to defeat the issue of the plastic issue, we have to locate the elective approaches to conquer this issue. Biodegradable is the one most ideal way that can be utilized to shield the earth from the unsafe materials and waste material. For instance, utilizing the reusable sacks made of different textures as opposed to utilizing plastic is likewise the most ideal way that can diminish the air contamination. This is on the grounds that this textures are naturally cordial and can be utilized over and over to decrease squander. Subsequent stages are the most significant that should be alert is appropriate waste removal, which is tossing the plastics in the put that previously served. At the point when utilized all the techniques, it will lessen the use of the plastic sacks. Other than that, do the reuse strategy where are discrete the gathering squandered dependent on the dustbin. This technique likewise can lessen the seepage blockage issues and air contamination can be forestalled. Other than that, do the crusade that can urge individuals to utilize less hurtful material and utilize a larger number of materials that useful for nature than utilize the logical strategy, for example, for diminishing, reuse and reuse.

Walmart Pepe Jeans Operations Essay Example

Walmart Pepe Jeans Operations Essay Case: Pepe Jeans Pepe Jeans started to deliver and sell denim pants in the mid 1970s in the United Kingdom and has accomplished gigantic development. The organization keeps in touch with its autonomous retailers by means of gathering of 10 specialists and every operator is answerable for retailers in a specific territory of the nation. Pepe is persuaded that a decent connection with the autonomous retailers is imperative to its prosperity. The review of the free retailers demonstrated a few issues. It was felt that Pepe’s assortment of styles and quality was the company’s key bit of leeway over the opposition. Anyway the independents were discontent with Pepe’s necessity to put in firm requests a half year ahead of time with no chance corrections, crossing out, or continue requesting. Some guaranteed that the rigid request framework constrained them to arrange less, bringing about stock outs. Pepe felt that a change would have been required soon. The most straightforward arrangement would be work with the Hong Kong sourcing specialist to lessen the lead time related with orders yet this was going to expand the expense essentially. Indeed, even with the critical increment in cost, predictable conveyance timetables would be hard to keep. Another proposal was to construct a completing activity in United Kingdom. Pepe was intrigued to perceive how framework functioned at U. S. tasks. They found that they would need to keep around six weeks’ gracefully of essential pants available in the United Kingdom and they need to contribute ? 1,000,000 worth of gear. They likewise evaluated that it would cost about ? 500,000 to work the office every year. We will compose a custom paper test on Walmart Pepe Jeans Operations explicitly for you for just $16.38 $13.9/page Request now We will compose a custom paper test on Walmart Pepe Jeans Operations explicitly for you FOR ONLY $16.38 $13.9/page Recruit Writer We will compose a custom exposition test on Walmart Pepe Jeans Operations explicitly for you FOR ONLY $16.38 $13.9/page Recruit Writer They could find the office in the storm cellar of current place of business, and the redesigns would cost ? 300,000. Today’s activities the board numerous organizations re-appropriate. Organizations have assortment of explanations behind re-appropriating yet principally the reasons are to lessen costs and make an upper hand. Organizations will in general re-appropriate in coordinations zone. This incorporates total pattern of material stream; from the buy and interior control of creation materials to the arranging and control of work-in-process; to the buying, transportation, and dissemination of the completed item. Pepe Jeans re-appropriated in coordinations region. Despite the fact that the organization was effective and gainful doing as such, this brought about wasteful conveyance time and despondent retailers because of the limitations of the re-appropriated organization requesting half year lead time in requesting items. Presently organization confronted with changing the manner in which the creation stream works so as to react the retailers and free agents’ grievances. As it shows at themanager. organization organizations that surge abroad looking for low creation expenses might be strolling into a vital snare. Its simple to think little of the concealed expenses in long gracefully chains and their effect on productivity. Clients in re-appropriating exchanges face both immediate and backhanded dangers. On the off chance that your redistributing seller neglects to perform, you may endure direct harms as cash based costs brought about to play out the capacity yourself or recruit another merchant, and brought down benefits brought about by lost business and mischief to your notoriety. Deliberately, a principle objective of re-appropriating has consistently been to move hazard from the client to the seller. Yet, while the dangers emerging from actualizing new advances and work markets can be moved along these lines, CIOs realize that not all hazard can be given off. A wide range of dangers including accounts and altruism can emerge from disappointments in redistributed capacities. Basically, operational hazard consistently stays with the client. Youre consistently dependable to the commercial center for your own presentation. As the articles above demonstrate dangers of redistributing, we see this very model with Pepe Jeans. The limitations of re-appropriated organization in Hong Kong made it extremely hard for Pepe pants to react client needs and made them truly resolute to its clients (retailers). It appears Pepe Jeans may lose its gainfulness with re-appropriating where the underlying design was to set aside cash. Sourcing organization in Hong Kong consented to abbreviate the lead time to about a month and a half rather than half year, yet the organization demonstrated this would expand the expense fundamentally. In the event that I was the CEO of Pepe Jeans, I’d see what is valuable for my organization. I’d attempt to plunk down with the sourcing organization to renegotiate the agreement to have the option to satisfy the two sides. What I comprehend from the contextual analysis is that there are just couples of choices spread out for Pepe Jeans. One is the renegotiating with Hong Kong based sourcing organization and it appears as though they offered a lead time of about a month and a half however a huge increment in cost yet the case doesn't demonstrate how a lot. Other choice is to move the completing activities to United Kingdom. The case demonstrates that this will be exorbitant for Pepe Jeans. They should put away gigantic measure of cash for both buying the hardware and working the office. This will profit the organization such that it would lessen the expense by some rate on the grounds that the volumes would be higher. The last choice is to find the office in the cellar of current place of business which would spare Pepe Jeans about ? 200,000 per year. I would recommend keeping the office in the storm cellar. Thoroughly considering of the crate, I would propose them to utilize electronic requesting framework among retailers, operators, and the sourcing organization. Having exact and state-of-the-art perceivability of stock implies that client requests can be kept an eye in the vicinity and handled promptly, altogether improving the general satisfaction rate. This would empower the constant perceivability of what is accessible from the customers’ point of view. I figure this would be a least exorbitant arrangement. Obviously the expense would include planning and executing this IT arrangements and furthermore the preparation the end-clients. Another advantage might be cost investment funds because of less request passage mistakes, expanded incomes because of less lost deals because of poor stock perceivability. Reference: 1)www. themanager. organization 2)www. redistributing lawful. com 3)www. optimizemag. com Case 2: Wal-Mart There are different privileged insights to Wal-Marts influence in the commercial center. One is that, far superior than its rivals, Wal-Mart comprehended the intensity of data. It altered the retail business by pioneering another path with data innovation. Wal-Mart abused the enchantment of the data covered up in the standardized identification. This move put Wal-Mart on the ball, and in front of its providers, as far as seeing precisely what buyers need and are purchasing. Wal-Mart is known with its gracefully anchor from processing plant floor to store rack, demanding in the nick of time conveyances from its providers to chop burn through and down-time in stockrooms. Wal-Mart has extraordinary force on makers and providers; procedure of creation, development of the products, warehousing of the merchandise, ensuring that it shows up at the perfect spot at the correct time. Along these lines Wal-Mart has capacity to play with the cost. So they demand that it be done inexpensively, it be done precisely, it be done rapidly. Wal-Mart recognizes what it needs, when it needs, and where it needs it. The bar-coding upheaval makes this conceivable. For instance, the organization recognizes what size shirt, what shading, long-sleeves, short-sleeves †an exact portrayal of the item. At the point when a store examines a thing when it is purchased, the data is promptly gathered. So Wal-Mart knows where you got it, the brand name, etc. At the point when the deals are recorded, a request is created. A request is consequently produced that night at 12 PM, when the home office gets that data through their information ports. At that point that request goes to the dispersion offices all through the organization, and that dissemination office, the distribution center, takes care of that request, and the request is sitting back on the rack the following night or the next night. They additionally comprehend what costs are well known, so they can say: We need to sell this at a specific cost. You make it at a specific cost, or were not going to work with you. This gives Wal-Mart a mind blowing influence and purchasing power in the commercial center and over its rivals. Wal-Mart’s Vice President for Federal and International Corporate clarifies the company’s accomplishment with these words. Sam Walton began the way toward saying you dont become fruitful by making a procedure to have bigger edges. What you accomplish is you deal with flexibly chain efficiencies from numerous points of view. You give those reserve funds to the client; you dont put them in your pocket. You give them to clients. That volume compensates for the thing by-thing lower edge, maybe, and that volume permits you to develop and succeed and thrive. It makes additionally client devotion, realizing they can come to us inevitably and locate the most reduced cost. Thus our worldwide sourcing isn't to make higher edges. That is not what its there to accomplish. Its there to accomplish having low-estimated products so we can give those low-evaluated merchandise to our consumers† The foundation of Wal-Marts expanded proficiency was its pattern guaging programming, which followed purchaser conduct. In 1985, Sam Walton and his main lieutenant, David Glass, started building up a program called Retail Link. The product, and the equipment that accompanied it, took a very long time to consummate, inevitably costing $4 billion. This progressive framework conveyed refined data on purchaser conduct, drawn from the information imbedded in the scanner tags that went through checkout cou

Rates and Statistics for Suicide in the United States

Rates and Statistics for Suicide in the United States Depression Suicide Print Rates and Statistics for Suicide in the United States By Leonard Holmes Updated on December 12, 2019 Depression Overview Types Symptoms Causes & Risk Factors Diagnosis Treatment Coping ADA & Your Rights Depression in Kids Aliyev Alexei Sergeevich / Getty Images In This Article Table of Contents Expand The Suicide Rate Statistic Breakdowns How the US Compares Depression and Suicide Warning Signs What to Do View All Information presented in this article may be triggering to some people. If you are having suicidal thoughts, contact the National Suicide Prevention Lifeline at 1-800-273-8255 for support and assistance from a trained counselor. If you or a loved one are in immediate danger, call 911 immediately. Suicides in the United States have been on the rise, up 33% from 1999 through 2017, and the pace of the increase has been rising since 2006.?? In 2016, suicide ranked as the 10th leading cause of death among Americans. It is the second leading cause of death for those under the age of 35.?? The annual suicide rate in the U.S. is over 14 deaths per 100,000 population.?? Nearly 47,000 people died from suicide in 2017. According to the CDC, one person dies from suicide every 11 minutes. The Suicide Rate The suicide rate is the number of completed suicides per 100,000 people.  Attempted suicide is not counted in the suicide rate. In addition to completed suicides, the CDC reports that in 2017 10.6 million adults in the United States seriously thought about suicide, 3.2 million people made a plan, and 1.4 million attempted suicide.?? The Centers for Disease Control and Prevention gather data from hospitals on cases of self-harm and suicide each year.?? However, some consider the numbers to be low because the stigma still surrounding suicide can result in underreporting. Suicide Rate Statistic Breakdowns When the suicide rate is broken down by demographics, important information can be observed. For example:?? The suicide rate is four times higher for males than females. In the United States, male deaths make up almost 80% of all suicide deaths.Suicide is attempted three times as often by females; women are also more likely to have suicidal thoughts.Firearms are the most common cause of death for males.Poisoning is the most common cause of death for females.Lesbian, gay, and bisexual kids are three times more likely to attempt suicide than heterosexual kids.41% of trans adults attempt suicide.The suicide rate is 1.8 times higher in rural areas than in urban areas.??  The suicide rate is highest among middle-aged white males. A 2015 study in the Proceedings of the Natural Sciences found that the suicide rate among white, middle-aged American men has increased dramatically in recent years.??Among Native Americans and Alaska Natives, suicide is the eighth leading cause of death across all ages. For the age group 15 to 34 of Native Americans and Alaska Natives, suicide jumps to the second lead ing cause of death. Suicide statistics by age group have been consistent for several years. Broken down by age group across all racial and ethnic groups, suicide as a leading cause of death ranked as follows: Age Group Suicide Leading Cause of Death 10-14 Third 15-34 Second 35-44 Fourth 45-54 Fifth 55-64 Eighth 65 and older 17th Suicide is expensiveâ€"costly not only in the emotional toll it takes  but also for its real financial impact. The estimated loss is over $58  billion in medical costs and lost work.?? Differences in Suicide Among Men and Women How the United States Compares The World Health Organization reports that nearly 800,000 people die worldwide each year from suicide, which is about one person every 40 seconds.?? Globally, it is the second leading cause of death for those between the ages of 15 and 24. A 2019 report published in The BMJ found that the global suicide rate has dropped by almost a third since 1990.?? The study found that while the actual number of suicides increased during this time, the suicide rate dropped from 16.6 deaths per 100,000 in 1990 to 11.2 deaths per 100,000 in 2016. These global declines in suicide deaths are largely attributed to drops in the suicide rates in China and India. Other countries including the United States, Zimbabwe, Jamaica, and Belize all experienced significant increases in suicides over the same time period.?? Depression and Suicide Depression and suicide are linked, with an estimate that up to 60% of people who commit suicide have major depression.?? But its important to note that this figure doesnt mean most people with depression will attempt suicide. Research suggests that the majority of suicides are related to a psychiatric condition, including depression, substance use disorders, and psychosis.?? Estimates suggest that the suicide risk for mental disorders including depression, alcoholism, and schizophrenia is around 5% to 8%. However, while many people who commit suicide had symptoms of a mental condition, it is important to note that most people with symptoms of mental disorders do not commit suicide. Depression and Risk of Suicide Depression and Suicide Warning Signs There are warning signs you can watch for in those who may be at risk of attempting suicide.?? Though there is no single type of person who may commit suicide and the symptoms below are not exhaustive, these are the most common signs observed among people who may be contemplating taking their own life. A change in personality, especially behaviors in social situationsWithdrawal from interaction or communication with othersMood changes that are drastic, such as being very low mood one day to being in a very high mood the nextTriggers such as life crisis or trauma in a person who is already living with depressionThreats of suicide, or expressed negative wishes regarding life, such as wishing theyd never been bornGiving away cherished belongings to friends and loved onesDeep depression observed that affects their ability to function socially or in the workplaceAggressive or risky behaviors, such as high-speed driving Suicide Warning Signs and Risk Factors What to Do If you or someone you know is depressed, there are effective treatments available. Talking to your doctor is a good first step. Your primary care provider can offer support, treatment, and referrals to a mental health professional for other treatment options, which may include antidepressants and psychotherapy.If you need help finding a therapist, the Anxiety and Depression Association of America offers an online search tool to help find professionals in your area.Visit the National Alliance on Mental Illness to learn more about support groups that you might find helpful. Tips for Coping With Depression and Suicidal Thoughts

Integrated Planning Matrix - 4838 Words

1 Surname, Initial EDP 135 Introduction to Curriculum Assignment 2 Integrated Planning Matrix Template Task: Develop an integrated planning matrix and the outline for a lesson series of approximately five lessons in response to one of the scenarios provided. Demonstrate how planning processes from macro to micro levels (whole school to classroom, or program to lesson) - satisfy curriculum demands and the needs of students. Choose one of the scenarios listed in Topic 8 to plan your series of 5 lessons. Scenario 3: Mountain View Primary School EDP 135 Introduction to Curriculum Assessment 2 Integrated Planning Matrix General Capability/ies Learning Area/s Broad objective/s Lesson Objective/s Key learning opportunities Evaluation/assessment Resources (Use if you wish) Literacy, Critical and creative thinking, Aboriginal and Torres Strait Islander histories and cultures, Asia and Australia ´s engagement with Asia. English/Literacy/Interpreting, analysing, evaluating Read an increasing range of different types of texts by combining contextual, semantic, grammatical and phonic knowledge, using text processing strategies, for example monitoring, predicting, confirming, rereading, reading on and self-correcting reading text types from a students culture to enhance confidence in building reading strategies By the end of this lesson students will know about the English language; understand, appreciate, respond to, analyze and create literature; beShow MoreRelatedQuestionnaire And Questionnaire On Customer Requirements Essay1527 Words   |  7 Pagesare acceptable. If the importance degree is higher than satisfaction, this suggests that some improvements should be identified. Questionnaires are used to assess discrepancies in customer perceptions [21]. 4.3. Identify business planning parameters The business planning parameters can be used to satisfy the CRs and enhance customer satisfaction. They are listed across the roof of the HOQ. The parameters are written in the business language. The identified business parameters must also represent actionsRead MoreCase Study Orion Systems (a)1455 Words   |  6 Pagesfollows: * The project should be implemented with a strong matrix structure. This will make the project manager higher control and functional department managers will work like subcontractors. The project is a large, strategically important project in which innovation and coordination is very important due to the time and cost constraints. For these kinds of projects, there needs to be a higher control and authority. Moreover, with a strong matrix structure, the efficiency of the project will increaseRead MoreThe Mission Of An Strategic Service Units1387 Words   |  6 Pagesbeen aligned with reimbursement payments. 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In the matrix structure, there is no particularRead MoreAbb Case Analysis916 Words   |  4 Pagesrestructuring process that integrated both the companies. * In your opinion, was the organization structure chosen for Asea Brown Boveri by Barnevick appropriate? The Organisation structure chosen for Asea Brown Boveri is the Matrix form of organisation structure. This form of organisation structure creates dual lines of authority and combines functional and product departmentalization. Advantages provided by this model: * The business of ABB was very complex. The matrix form of organisationRead MoreAbb Case Analysis908 Words   |  4 Pagesrestructuring process that integrated both the companies. * In your opinion, was the organization structure chosen for Asea Brown Boveri by Barnevick appropriate? The Organisation structure chosen for Asea Brown Boveri is the Matrix form of organisation structure. This form of organisation structure creates dual lines of authority and combines functional and product departmentalization. Advantages provided by this model: * The business of ABB was very complex. The matrix form of organisationRead MoreStrategic Management Analysis of Saudi Aramco Ltd.1671 Words   |  7 PagesProfile including mission amp; vision and Organogram 6. PESTEL, SWOT and Porter’s Five Forces Analysis 7. SWAN Analysis amp; TWOS Matrix 8. Value Chain Analysis 9. ViSA Model amp; SMARTER Model 10. The BCG chart 11. PURE Objectives amp; GREAT Model 12. Market Analysis including Market Segmentation 13. EFE Matrix 14. CPM Matrix 15. QSPM Analysis 16. Financial Analysis 17. Competitor Analysis 18. Breakeven Analysis 19. KSF Analysis (Industry Key SuccessRead Moreansoff matrix1731 Words   |  7 PagesIntroduction The   Ansoff matrix  presents the product and market choices available to an  organization. Here in markets may be defined as customers, and products as items sold to customers (Lynch, 2003). The Ansoff matrix is also referred to as the market/product matrix in some texts. Some texts refer to the market options matrix, which involves examining the options available to the  organization  from a broader perspective. The market options matrix is different from Ansoff matrix in the sense that itRead MoreEnterprise IT Architecture Essay573 Words   |  3 PagesZachman was one of the pioneers of enterprise IT architecture. His article, Business Systems Planning and Business Information Control Study: A comparison†, was an early effort to suggest that businesses should think more carefully about how they integrated systems and data. He used the analogy of architecture, since, as Hurley and Tompkins summarise, â€Å"each stage in the building of a house requires different l evels of detail. At each stage, decisions need to be made about what materials compromiseRead MoreEssay on Mowak National Bank1168 Words   |  5 Pagescommunication and cooperation between departments due to absence of a project manager, who could act as focal point for the integration work. For solving their problem Mohawk National Bank is thinking to consider a new organizational structure: matrix organization. The main obstacle of this project is the hostility at change of most of the employees. For overcome this obstacle Bank top-managers have to find a Project Manager that can motivate and convince people that this change it is important

West Memphis 3 Argumentative Paper - 1916 Words

West Memphis 3: Wrongfully Accused? On May 5th, 1993 three eight year old boys were reported missing in West Memphis, Arkansas. The boys were found the next day, hog tied in a wooded area called â€Å"Robin Hood Hills†. After the case had been â€Å"thoroughly† investigated, the West Memphis Police announced on the news that they had found the murderers, pointing fingers at Damien Echols, Jessie Misskelley and Jason Baldwin, three teenagers who were different from the norm in West Memphis, making it easy for them to be accused. I believe the boys were wrongfully accused of this crime because there is a lack of evidence in the case pointing to the boys, and the crime just seems to convenient for these three to actually pull off. During the†¦show more content†¦The strange thing about the thirty-ish minute recorded â€Å"confession†, Jessie made many mistakes about the facts in the case, stating that they boys were tied together with rope instead of shoe laces. He also messed up some facts, saying it happened during the day , but was quickly corrected by the police.(Paradise Lost) After being questioned for 12 hours and finally giving a confession, the police, instead of letting Jessie go home as promised, arrested Miskelley which is when he revoked his whole statement but it was no longer on record. Echols and Baldwin were arrested. Misskelley’s trial was sepereate from Echols and Bladwins, but all three were found guilty of capital murder charges. Throughout this case, many pieces of evidence came up â€Å"missing† and many other people who should have been suspects went without being questioned at all. For example, a problem arose at a local Bojangles, the same night of the murders. The manager working at the time called the police, reporting that a black man had stumbled into the restaurant. He was bleeding and mumbling the manger said, and instead of a report being filed, the working officer found it would be much more convenient for her if she justShow MoreRelatedLogical Reasoning189930 Words   |  760 Pagesany way that suggests that the book Logical Reasoning or its author endorse you or your use of the work). (2) Noncommercial You may not use this work for commercial purposes (for example, by inserting passages into a book that is sold to students). (3) No Derivative Works You may not alter, transform, or build upon this work. An earlier version of the book was published by Wadsworth Publishing Company, Belmont, California USA in 1993 with ISBN number 0-534-17688-7. When Wadsworth decided no longer

The Human Eye Free Essays

string(104) " we become older adults, the lens gradually hardens, and it becomes harder for the lens to accommodate\." The eye is a rather small part of the body that makes up seventy percent of the humans total sensory ability. That is why we chose to describe the eye. Each part of the eye works together as a whole. We will write a custom essay sample on The Human Eye or any similar topic only for you Order Now Within and outside of the eye there are many working parts functioning around the clock.. The cornea is a very important part of the eye, but you can hardly see it because it’s made of clear tissue. Like glass, the cornea gives your eye a window in which to view the world. The a cornea is a transparent tissue covering the front of the eye. The cornea covers both the pupil and he iris eye, and it is partially responsible to focus light. The cornea is part of the external structure of the eyeball. The external layer of the eyeball is formed by the cornea, and the sclera. The cornea is a dome-shaped structure. The cornea does not have any blood vessels that is why it appears clear. The cornea does have nerves. The cornea is the first and most powerful lens in the eye’s optical system. The cornea is the first part of the eye to focus. When a ray of light hits the eye, the cornea is the first structure the light encounters. Then the light rays travel through your eye through a hole called the pupil. As light rays from an object enter your eye, they are bent inward by the cornea and lens. Light rays are focused through the transparent cornea and lens. Light rays focused by the cornea and lens produce an image on the retina that is upside down. The cornea is made up of five layers: the epithelium, Bowman’s layer, the stroma, Descement’s membrane, and the endothelium. The cornea obtains oxygen through absorption from the tear film layer, and from the aqueous humor. The tears that flow over the cornea help to keep it nourished and moist. {draw:frame} The anterior chamber lies between the iris and the back surface of the cornea. There are three chambers of fluid in the eye. The anterior chamber, which is between the cornea and iris. The posterior chamber, which is between the iris and lens. And, the vitreous chamber, which is between the lens and the retina. The fluid filled substance is called the aqueous humor. It is a clear fluid that fills the anterior chamber and the posterior chamber of the anterior cavity of the eye. The aqueous humor bathes the lens and gives nourishment to the lens. The aqueous humor is produced by the ciliary body. {draw:frame} {draw:frame} The colored part of the eye is called the iris. It controls light levels inside the eye similar to the hole on a camera. The round opening in the center of the iris is called the pupil). The iris is embedded with tiny muscles that dilate (widen) and constrict (narrow) the pupil size. The sphincter muscle lies around the very edge of the pupil. In bright light, the sphincter contracts, causing the pupil to constrict. The dilator muscle runs radically through the iris, like spokes on a wheel. This muscle dilates the eye in dim lighting. The iris is flat and divides the front of the eye (anterior chamber) from the back of the eye (posterior chamber). Its color comes from microscopic pigment cells called melanin. The color, texture, and patterns of each person’s iris are as unique as a fingerprint. The pupil is the black circle in the center of the iris. But, the pupil is really a clear opening. The pupil appears black because the light which the pupil allows to enter the eye is absorbed on the retina and does not exit the eye. Light enters the eye through the cornea; it then travels through the opening called the pupil. Light then enters the eye’s lens. The pupil changes size in order to adapt to the quantity of light rays that reach it. The pupils constrict in response to increased light, this makes your pupils smaller. When the pupils are smaller, it allows in as little light as possible. The pupil dilates in response to decreased light, this makes your pupils larger. When the pupils are larger, it allows in as much light as possible. The pupil size is determined by a reflex action that allows less light into the eye during bright conditions, so the person is not dazzled. The pupil size is determined by a reflex action that allows more light into the eye during dim conditions; this will make vision possible for the person. To see how this works, use a small flashlight to see how your eyes or a friend’s eyes respond to the changes in brightness. The pupils will get smaller when the light shines near them and they’ll open wider when the light is gone. {draw:frame} {draw:frame} {draw:frame} * Dilated* Pupil * Constricted* Pupil The lens is part of the internal structure of the eyeball. The lens is transparent. The lens is the flexible curved part of the eye that sits behind the iris and in front of the vitreous humor. The lens of the eye is made of mostly water and protein. Light which passes through the pupil opening, will nter the lens. The lens focuses light rays on the back of the eye. The lens’ purpose is to focus images onto the retina. It works like the lens of a camera that records the picture. The lens turns the images upside down. Then the picture is transmitted by the optic nerve to the brain. In young people, the lens changes shape to adjust for close or distance vision. T he lens changes shape when looking at objects at different distances to keep the images in focus. The lens changes its shape by bending. The adjustment of the lens of the eye is similar to the focusing of a camera. This adjustment of the lens is known as accommodation. As we become older adults, the lens gradually hardens, and it becomes harder for the lens to accommodate. You read "The Human Eye" in category "Papers" {draw:frame} {draw:frame} The Ciliary Body and the Ciliary Muscle, separates the Aqueous Humor, the fluid and, the Anterior Chamber. The vitreous humor is located in the posterior chamber of the eye. The posterior chamber is a space behind the iris and it is in front of the retina. This space behind the lens is filled with a jellylike substance called the vitreous humor. The vitreous humor helps to shape the eyeball. As we age and get to be older adults, the vitreous humor changes from a gel to a liquid like fluid and it gradually shrinks and separates from the retina. {draw:frame} The retina is the innermost layer of the eye. The retina is made up of two parts: an optical part in the fundus of the eye that is sensitive to light, and a nonsensitive pigmented part that lines the ciliary body and iris. The light-sensitive neurons are arranged in three layers; the first layer is made up of rods and cones and the other two transmit impulses from the rods and cones to the optic nerve. The rods are sensitive to dim light of a variety of wavelengths, and the cones are sensitive to bright light of more restricted wavelengths and are responsible for color vision. Visual acuity is greatest in the central part of the retina. {draw:line} {draw:frame} {draw:frame} The retina is a stack of several neuronal layers. Light is concentrated from the eye and passes across these layers (from left to right) to hit the photoreceptors (right layer). This causes a chemical transformation of light to nerve impulse to the bipolar and horizontal cells (middle yellow layer). The signal is then transmitted to the amacrine and ganglion cells. This pattern of spikes determines the raw input from the eyes to the brain. The optic disc is a whitish spot on the retina. The optic disc is called the blind spot. The optic disc is the spot on the retina that the optic nerves come from. The optic disc marks the point where nerve fibers leave the eye. The optic disc lacks light sensitive cells. There are no sensory cells here that are why it creates a blind spot. The macula lutea is an irregular yellowish spot near the center of the retina. The macula lutea lies slightly below the optic disc. The macula lutea is part of the retina and it is the most light sensitive. The size of the macula lutea is 7mm or about ? inch. The macula lutea is responsible for our reading vision. It is this part of the retina that makes our vision 20/20. If you do not have a macula lutea, you would not be able to see. Cranial Nerve II, or more familiarly known as the optic nerve, is the nerve that controls the sense of vision. Without this the human race could not see, it acts as a passageway of the object you see, to be transferred as a nervous impulse to the brain. The part of the brain the nervous impulses are sent to is the visual cortex, this is a section of the brain where all of the information is processed. The optic nerve is formed out of axons. An axon is the long processes of retinal cells at the back of the eye. These join together to form the nerve, which exits the eyeball at a point called the optic disc. The optic nerve fibers, originate in the retina, then enter the optic nerve which again passes through the eye socket. This then heads to the optic canal, the opening in the skull which receptors pass from the eye to the brain. The optic nerve fibers the join together to form the optic charisma, this trade in fibers allows for binocular vision, they continue until it makes contact with the lateral geniculate. The optic nerve radiates back to the visual where the image is processed. To sum this up the optic nerve carries information to the brain from the eye. This concludes the internal mechanism of the eye. Next is a discussion of the external anatomy of the eye and component’s surrounding it. There are three layers of the eyeball. The external layer of the eyeball is formed by the sclera, and the cornea. The sclera is the white part of the eye. The sclera is continuous with the cornea. The sclera is the outermost layer, and the sclera is the thickest layer of the eyeball. The sclera has the important job of covering most of the eyeball. The conjunctiva is a mucus membrane which covers the sclera that you can see through and lines the eyelids as the palpebral conjunctiva, and reflects or folds back over the anterior of the eyeball, as the ocular, or in some cases this can be called the bulbar conjunctiva. The bulbar conjunctiva only covers the white of the eye not the cornea. The ocular conjunctiva is very thin, blood vessels are visible beneath it, when irritated the eye becomes â€Å"bloodshot. † When the eyelids are shut a slit like space appears between the covered eyeballs and eyelids. When you are wearing contacts, the contact lies in the conjunctivial sac, this is where most eye medications are placed also. The conjunctiva’s main job is to protect the eye from anything that may penetrate the eye. Certain eye problems that may relate to the conjunctiva include the inflammation of the conjunctiva which is called conjunctivitis_. _Pinkeye which is probably the most familiar to people living in America. Pinkeye consist of a bacteria or virus that is, in most cases , on your hands and you do not wash them then it is spread around the eye. All infections in this area are contagious. The sclera is also a supportive and protective layer of the eye. The sclera forms a tough shell that helps protect the inner structures of the eyeball. There are three pairs of muscles attached to the sclera. These muscles are named extra-ocular muscles. {draw:frame} There are six extra-ocular muscles on each eye. Each muscle has a different form of movement or function in the eye. The Lateral Rectus is the muscle that moves the eye outward. The Inferior Rectus muscle is the muscle that pulls the eyeball towards the ground. The Inferior Oblique muscle raises the eye, and pivots the eyeball outwards. The Superior Oblique muscle pulls the downwards and outwards, while abducting the eye. The tendon-like Trochlea, acts like a pulley which the superior oblique muscle passes through. The Superior Rectus muscle pulls the eye upwards and inwards. The Palpebrae Superioris muscle pulls the upper eyelid upwards. The Medial Rectus muscle moves the eyes inward horizontally. The Tendinous Ring is a band of rough, fiber-filled tissue, that holds the eye muscles in place. The second layer of the eye is called the uvea. The uvea contains many blood vessels and pigmented cells. The uvea is divided into three main sections: the choroid, the ciliary body and the iris. The choroid extends from where the optic nerve meets the eye-ball to the front of the eye, where it forms both the ciliary body and the iris. The third layer is the retina. The Lacrimal glands are located above each eye. The Lacrimal gland lies underneath the upper eyelid. The Lacrimal gland has the important job to produce tears. The Lacrimal gland continually produces tears that are distributed over the surface of the eyes. The tears drain through the Lacrimal canals into the Lacrimal sac and into the nose from the Lacrimal duct. The tears are constantly being made in the Lacrimal glands and through the action of blinking the tears drain. Every time the eyelid blinks, it causes tears to flow from the Lacrimal glands. The tears keep the cornea moist and provide oxygen to the cornea. The tear production increases when you cry or if the eye is irritated by foreign particles. The Lacrimal gland also produces other protective fluids onto the surface of the eye. draw:frame} Cranial Nerve III, the oculomotor nerve controls the eye muscles, or two-thirds of them anyway. This Nerve Mainly carries the motor fibers to the eye muscles, this controls the movement of the eye and where the eye’s position is located. The oculomotor contains fibers from the nervous system which constrict the pupil and also alter the l enses’ shape. The oculomotor nerve originates midbrain, is part of the brainstem and leaves the cranial cavity through the eye socket into the superior orbital fissure. From the superior orbital fissure, this is split into two parts, the superior and inferior divisions. Problems associated with the oculomotor nerve, are damage to the nerve, in which case all but two of the eye muscles will be paralyzed, occasionally when this happens the eyelid will drop. Also the eye will not move sideways. Cranial Nerve IV, the trochlear nerve, only supplies one muscle for movement to the eye. This nerve transmits both the motor information of the eye and the sensory information of the eye. The nerve originates about midbrain, around the brainstem and finally ends up through the center of the eye socket into the superior orbital fissure. The trochlear nerve controls the muscle that moves the eye up and down. Cranial Nerve VI, is the abducent nerve, this leads to the lateral rectus muscle in the eye. The abducent nerve contains both motor fibers and sensory fibers. The fibers of the abducent nerve originate in a part of the brainstem called the Pons. The nerve arrives at the eye socket then passes through the superior orbital fissure. This moves the eye out to the side. The eye is a important and fascinating organ. It is made up of many different kinds of tissues. Each has a very important and individualized function. It’s many parts work together to form the phenomenon of sight. This allows us to perceive the world. How to cite The Human Eye, Papers

Malevich Popova free essay sample

An analysis of the artistic works and influences on the art world of Kazimir Malevich and Liubov Popova. This paper provides a discussion of the careers of Malevich and Popova. The development of Malevichs style, through abstract art and Suprematism, is outlined. Popovas artist development, during which she joined Malevichs Suprematic movement, is reviewed. The Cubist influences on their work, their architectonic painting and figure sketches are examined. Until the start of the twentieth century, drawings, paintings, monuments and all other forms of artistic creations were based on the subjects and compositions of real world thoughts and dreams. This representation was always pictorial based reflecting clearly the real world ideas. However, with the emergence of science and technology and increasing use of machineries in the life of a common man, artists began to interpret the new emerging world in a different manner. The earlier decades of the twentieth century can be termed as an era of extraordinary development in the artistic world. We will write a custom essay sample on Malevich Popova or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page Several movements lead the modern art to particular new directions. Movements like Fauvism, Cubism and Futurism guided the artists of twenty first century to explore new avenues and to reassess the role of art. Movements like Suprematism and Constructivism stemmed from the materialism of the machine age. Although, these movements were comparatively short lived, they had a deep impact on the development of art in the coming days.