Ears Flashcards
1
Q
What is the job of the pinna?
A
The pinna directs the sound into the auditory canal towards the eardrum
2
Q
What makes up your outer ear?
A
The pinna, the auditory canal and the ear drum
3
Q
Where does the ear drums vibrate and direct the sound waves into?
A
The ossicles
4
Q
What are the ossicles?
What are there job?
A
The ossicles make up the middle ear. They are tiny bones that amplify the sound. They also make the oval window vibrate.
5
Q
What does the vibration of the oval window do?
A
This passes the vibration on to liquid in the cochlea.
6
Q
What does the cochlea contain?
A
Thousands of tiny hairs
7
Q
What does your ear convert a sound wave into?
A
An electrical signal
8
Q
What do you measure sound intensity in?
A
Decibels
