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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Sclera
A thick thought white outer covering of the eyeball
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Lens
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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banana
Go to last place!
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rocket
Go to first place!
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rocket
Go to first place!
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thief
Give points!
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seesaw
Swap points!
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rocket
Go to first place!
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rocket
Go to first place!
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thief
Give points!
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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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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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Pupil
Located in the dark circle in the center of your iris. It is a hole that lets light into your eye. ( cows is oval while humans in round )
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Cow Eye Fat and Muscle Picture
Cow Eye Fat and Muscle Picture
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Vitreous Humor
A thick, clear jelly that helps give the eyeball its shape
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Cornea
A tough, clear covering over the iris and the pupil that helps protect the eye. Light bends as it passes through this. This is the first step in makin...
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Optic Nerve
The bundle of nerve fibers that carry information from the retina to the brain.
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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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Blind Spot
The place where the optic nerve leaves the retina. This is where there are no light sensitive cells.
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Tapetum
The colorful, shiny material located behind the retina. It is found in animals with night vision.
