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vision/hearing:)

WordDeffinition
Eye The sense organ that gathers and focus's light and generates signals that are sent to the brain.
Retina The light sensetive inner layer.
Rods produce black and white vision.
cones produce color vision.
optic nerve extends from the back of the eye to the part of the brain that processes light.
blind spot where the optic nerve meets the retina.
lens changes shape to focus the light on the retina.
ear sense organ that functions in hearing.
eardrum membrane that transmits sound waves from outer ear to middle ear.
middle ear has three tiny bones the hammer, the anvil and the stirrup.
inner ear contains the liquid-filled semicircular canals.
cochlea coiled, fluid filled tube.
auditory nerve receptors fro the cochlea to the temporal lobe.
eustachian tube connects the middle ear to the throat.
Created by: Ivey Richards:)
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