Ear Structures

Question 1

Auricle (pinna)

Answer 1

protect ear hole entrance, direct sound waves

Question 2

external acoustic meatus

Answer 2

hole through which sound waves enter the ear

Question 3

Tympanic membrane

Answer 3

transmits external sound waves to inner 2/3 of the ear by vibrating

Question 4

middle ear

Answer 4

amplifying and transmitting soundwaves

Question 5

eustachian tube

Answer 5

equalizes pressure in the ear, balance, equilibrium

Question 6

malleus, incus, stapes

Answer 6

auditory ausicle, applies sound, transmit sound

Question 7

inner ear

Answer 7

equilibrium and hearing

Question 8

vestibule

Answer 8

detetcs linear movements of the head, static equilibrium of the head

Question 9

cochlea

Answer 9

hearing

Question 10

semicircular canals

Answer 10

detect rotational movements of the head