Question

which of the following describes the tympanic membrane? the external, visible part of the ear the fluid - filled structure in the inner ear the membrane covering the opening of the cochlea the membrane at the end of the ear canal

Explanation:

The tympanic membrane, also known as the eardrum, is located at the end of the ear - canal. It vibrates in response to sound waves. The external, visible part of the ear is the pinna. The fluid - filled structure in the inner ear is the cochlea. The membrane covering the opening of the cochlea is the round window membrane.

Answer:

the membrane at the end of the ear canal