Ears

Question 1

function of auditory canal

Answer 1

a passive that channels sound waves into the ear drum

Question 2

function of ear drum

Answer 2

the membrane of the middle ear, which vibrates in response to sound waves (tympanic membrane)

Question 3

function of malleus incus and stapes

Answer 3

the bodies tiniest bones (ossicles) that transmit vibrations of the eardrum across the middle ear before striking a further membrane (oval window)

Question 4

function of eustachian tube

Answer 4

connects the middle ear to the throat and allows the middle ear to be at the same pressure as atmospheric air

Question 5

function of cochlea

Answer 5

a spiralled (snail-like) tube that contains a jelly-like fluid (perilymph)

Question 6

function of organ of corti

Answer 6

hair-like structures (located in the perilymph) are the sensitive element in the inner ear and can be thought of as the body’s microphone