06 Human senses - sound

Question 1

Pinna

Answer 1

Pinna

directs sound waves into ear canal

Question 2

Ear canal

Answer 2

Ear canal carries vibrations to the eardrum

Question 3

Eardrum

Answer 3

Eardrum vibrates and passes on vibrations to ossicles

Question 4

Ossicles

Answer 4

Ossicles are three small bones which amplify sound

Question 5

Cochlea

Answer 5

Cochlea contains liquid and thousands of tiny hairs which move.
Sound waves are converted to electrical signals

Question 6

Electrical signals

Answer 6

Electrical signals travel along the auditory nerve to the brain

Question 7

what can cause damage to ears or loss of hearing

Answer 7

Damage to ears and loss of hearing can result after injuries or exposure to loud sounds that damage the cells of the inner ear.

Question 8

what can happen if you damage your ears or experience loss of hearing

Answer 8

Signals may not be transmitted to the brain.

Damage to ears and loss of hearing can also be genetic.