Question

the outer ear channels sound waves down the external ____ to the ____, a tight membrane that vibrates in response to sound waves. a. auditory canal... oval window b. pinna... eardrum c. auditory canal... eardrum d. pinna... cochlea please select the best answer from the choices provided

Explanation:

The outer ear funnels sound waves through the external auditory canal to the eardrum (tympanic membrane), which vibrates in response to sound waves. The pinna is the visible part of the outer - ear that collects sound waves, and the oval window and cochlea are parts of the inner ear.

Answer:

C. auditory canal... eardrum