Sound waves that enter the ear canal are directed to the ___

Sound waves that enter the ear canal are directed to the ____, causing it to vibrate.
a. oval window

b. round window

c. tympanic membrane
d. eustachian tube

(Question 2) Nerve fibers leave the eye as the optic nerve at the ____.
a. fovea centralis
b. ciliary body

c. optic disk

d. retinal tract

(Question 3) The photosensitive cells that produce color and require lots of light are the ____.
a. rods

b. cones

c. bipolar cells
d. ganglia

(Question 4) The ____ is the innermost layer of the eye and contains the photosensitive cells.
a. sclera

b. iris

c. conjunctiva
d. retina

(Question 5) The posterior compartment of the eye is filled with the ____ humor.
a. vitreous
b. aqueous
c. ciliary

d. scleral

(Question 6) The ____ regulates the amount of light that enters through the diameter of the pupil.
a. cornea
b. iris

c. retina

d. sclera

(Question 7) The ____ body consists of smooth muscles that hold the lens in place.
a. ciliary

b. conjunctival
c. choroid

d. retinal

(Question 8) The outermost layer of the wall of the eye is the ____.
a. retina

b. choroid
c. sclera

d. cornea

(Question 9) The ____ gland produces tears.
a. trigeminal
b. choroid

c. lacrimal

d. orbital

(Question 10) The ____ nerve is a motor nerve that controls tongue movements.
a. abducens

b. trigeminal

c. vestibulocochlear
d. hypoglossal

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Sound waves that enter the ear canal are directed to the ____, causing it to vibrate.

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