A clear flexible structure that makes an image on the eyes retina. This is flexible so that it can change shape, focusing on objects that are close up...
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trap
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15
Blind Spot
The place where the optic nerve leaves the retina. This is where there are no light sensitive cells.
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15
Describe how what you see can impact other human body systems. Provide at least five specific examples of how your communication with the outside world through your eyes initiates a response
1.) if you see things that are stressful then your nervous system will give off bad neurotransmitters2.) If you see that you are under water, your res...
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15
Describe two ways in which the cow eye and the human eye differ? How are these differences linked to function?
The cow eye has a tapetum while the humans do not. Humans are not nocturnal, therefore they do not need to see in the dark. Cows have oval shaped pupi...
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15
Optic Nerve
The bundle of nerve fibers that carry information from the retina to the brain.
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15
Is the response of your pupil a reflex or a voluntary action? Describe how this response is controlled by the nervous system.
It is a reflex. The pupil constricts when the circular muscle, controlled by the PNS contracts.
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15
Iris
A muscle that controls how much light enters the eye. It is suspended between the cornea and the lens. Cows is brown.
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15
Aqueous Humor
A clear fluid that helps the cornea keep its shape. It is made out of protein and water.
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15
How does light travel through your eye?
Reflected light first travels through your cornea. The light then shines through your pupil. Then it shines through your lens. It bends the light then...
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15
The order of the structures through which light passes to get to the optic nerve...
