The _______, or Eardrum, Separates the Middle and External Ear

Question

The _______, or eardrum, separates the middle and external ear.
A) pinna
B) ceruminous glands
C) external auditory meatus
D) tympanic membrane

Accepted Answer

The tympanic membrane, also known as the eardrum, is a thin layer of tissue that separates the middle ear from the external ear. It vibrates when sound waves strike it, transmitting the vibrations to the bones in the middle ear.