Question

question 12 of 15
what is the purpose of the outer ear?
a. to evaluate the quality of sound.
b. to collect and focus sound waves.
c. to convert sound waves into mechanical waves.
d. to convert mechanical waves into electrical waves.

Explanation:

The outer - ear, which includes the pinna and the ear canal, is responsible for collecting sound waves from the environment and funneling them towards the eardrum. It focuses the sound waves onto the eardrum to start the process of hearing.

Answer:

B. To collect and focus sound waves