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Endosymbiosis
Beginning of essay
The Eye is the organ of that you gives your sight. Eyes enable people to perform tasks and to learn about the world that around them. Sight, or vision, is a rapidly occurring process that involves interaction between the eye the nervous system and the brain.
When someone looks at an object, what he ....
Middle of essay
....The innermost layer is the retina.
The Sclera, or the white of the eye, is composed of tough fibrous tissue. On the exposed area of the eye the scleral surface is covered with a mucous membrane called the conjunctiva. This protects the eye from becoming dry.
The Cornea, a part of the sclera, is the transparent window of the eye through which light passes. The focusing of the light begins in the cornea. Behind the Cornea is a watery fluid called the aqueous humor. This fluid fills a cu.... |
| Number of words: 2101 |
Approximate pages: 8 |
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