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LCE Science

Ch 6 : The Nervous System Sec 3: The Senses

TermDefinition
cornea the clear tissue that covers the front of the eye
pupil the opening through which the light enters the eye
iris the circular structure that surrounds the pupil and regulates the amount of light entering the eye
lens the flexible structure that focuses light that has entered the eye
retina the layer of receptor cells at the back of the eye on which an image is focused
nearsightedness the condition in which a person can see nearby objects clearly
farsightedness the condition in which a person can see distant objects clearly
eardrum the membrane that separates the outer ear from the middle ear and that vibrates when sound waves strike it
cochlea a snail shaped tube in the inner ear that is lined with receptor cells that respond to sound
semicircular canal structures in the inner ear that are responsible for the sense of balance
Created by: LCEclass
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