#21813: Presentation on Eye!
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Reporter: farialiii | Owner: nobody
Type: Uncategorized | Status: new
Component: Uncategorized | Version: 1.6
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Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
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Most people have five senses. The vision to see, the ear to hear, to smell
the smell, the taste to taste and feeling to feel. With senses you make
contact with the world. To
see you have two eyes. Through the eyes you can recognize people and
things around you, you Bots example not up against a tree, and you can
press time stand aside if a car comes at you. If you can not see, for
example, would bike or a glass of lemonade drink are much more difficult.
Try a sandwich ready to deal with a blindfold on, then you realize how
hard it is when you can not see.
The eye has the form of a sphere. The diameter is two and a half inches.
To the eye is a solid white layer called the sclera. The front of the eye
has a translucent layer. That is the cornea.
Behind the pupil and the iris around it. The iris is the colored part of
the eye. The iris consists of muscles, the pupil large and small can make.
The pupil is actually a hole. Behind the iris is the lens.
the lens ensures that all the light rays fall on the retina. The largest
part of the eye's back and that is called vitreous humor. The retina
captures all the light and sends information through the optic nerve
to the brains. Now I show an eyeball (which I got from the biology
classroom, where I can get to the show. Their better all things apart
I have this picture pasted on the board, and copied onto a larger sheet,
and appropriate things.
How does the eye.
iris and the pupil,
the iris consists of muscles, if the light is pulling the muscles together
and become the pupil smaller. In the dark, the muscles relax and become
the pupil larger.
The lens and the retina,
. At the edge of the lens, the lens muscles that sphere and less bulb can
sit The lens bends light, so your images come on the retina. If an object
is far away, the lens is flat, to get exactly the object on the retina.
When an object is close, the sphere lens, in order precisely to control
the object, the retina is composed of two light-sensitive cells on the
retina. These are rods and cones. Each eye has 120 million rods and 6 to 7
million cones. The rods can only see black and white. If it is dark then
you will only see the outline of something or someone. The cones make sure
that you see colors. They also make sure that you see the little things
and just see. Move your eyes When you move your eyes that is because the
eyeball muscles are three pairs that make the eyes move. Both eyes always
move together. What the eye sees.
http://www.ecoflexjointpaincream.com/
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