The ________,or eardrum,separates the external ear from the middle ear.

Eardrum

A thin membrane that separates the outer ear from the middle ear and vibrates in response to sound waves, also known as the tympanic membrane.

External Ear

The outer portion of the ear, consisting of the pinna and the ear canal, which helps direct sound waves into the ear.

Middle Ear

The part of the ear located between the eardrum and the inner ear that contains three bones which amplify sound.