§5.4 Flashcards
In which 3 parts is the ear divided?
The outer ear, the middle ear, the inner ear
Where does hearing start?
At the outer ear
What does the pinna?
Collects sound waves
What is the ear canal?
Where sound waves are funnelled down
What is the eardrum?
Sound waves are funnelled down the ear canal and when they hit the eardrum the eardrum vibrates
What is the hammer, the anvil and the stirrup
3 bones that pick up the vibration
What is the cochlea?
Where the vibration enters and turns them into nerve impulses
What is the auditory nerve?
Where nerve impulses that travel to the brain go to
What is the Eustachian tube?
It connects the middle ear to the throat, and makes sure that the air pressure caused by sound waves remains the same on both sides
What are the semicircular canals?
It detects the direction of movement and acceleration
