Question

question 9 of 10
the outer ear:
a. vibrates.
b. collects sound.
c. transforms sound waves.
d. consists of three tiny bones.

Explanation:

The outer - ear's main function is to collect sound waves and funnel them into the ear canal. The eardrum (tympanic membrane) vibrates (A), the cochlea transforms sound waves (C), and the middle - ear consists of three tiny bones (D).

Answer:

B. collects sound