The structure of ear
Parts of Ear
|
Function
|
Pinna
|
Collects sound waves
|
Ear canal
|
Directs sound waves to the eardrum
|
Ear drum
|
Vibrates when hit by sound waves
|
Ossicles
|
Make the vibrations of sound stronger
|
Cochlea
|
Contains fluid and receptors, changes sound vibration into impulses.
|
Auditory nerve
|
Carries impulses to brain
|
Balance canal (semicircular canal)
|
Contain fluid, helps us keep our balance
|
Eustachian tube
|
Keep air pressure equal on both sides of eardrum.
|
This sound passes though the inner ear canal ,
ReplyDeletethe midel ear and the tree small bones.
Then the souds reach the corchlea and the auditory nerve.
The auditory nerve sends signals to the brain.
Some people not hearing good ,
deafness means the loss of the sense .click here