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10 terms

6-3 The Senses

STUDY
PLAY
cornea
the clear tissue that covers the front of the eye and protects the eye
pupil
an opening in the eye which lets the light enter the eye
iris
a circular structure that surrounds the pupil and regulates the amount of light entering the eye (comes in different colors)
lens
a flexible structure that focuses the light
retina
a layer of receptor cells that line the back of the eye
nearsightedness
can see nearby objects clearly
farsightedness
can see object far away clearly
eardrum
membrane that vibrates when sound strikes it
cochlea
snail-shaped tube that is lined with receptor cells that respond to sound
semicircular canal
structures in your ear that are responsible for your sense of balance