The ear Flashcards
1
Q
Pinna
A
Pinna
directs sound waves into ear canal
2
Q
Ear canal
A
Ear canal carries vibrations to the eardrum
3
Q
Eardrum
A
Eardrum vibrates and passes on vibrations to ossicles
4
Q
Cochlea
A
Cochlea contains liquid and thousands of tiny hairs which move.
Sound waves are converted to electrical signals
5
Q
What do electrical signals travel along?
A
Electrical signals travel along the auditory nerve to the brain
6
Q
Ossicles
A
Ossicles are three small bones which amplify sound
7
Q
what can happen if you injure your ear
A
Damage to ears and loss of hearing can result after injuries or exposure to loud sounds that damage the cells of the inner ear.
Signals may not be transmitted to the brain.
Damage to ears and loss of hearing can also be genetic.
