Which portion of the ear transforms sound vibrations to nerve impulses?

A) cochlea
B) tympanic membrane
C) auditory fluids
D) semicircular canals

Cochlea

A spiral-shaped cavity in the inner ear that plays a key role in the sense of hearing by converting sound waves into nerve impulses.

Tympanic Membrane

Also known as the eardrum, a thin membrane that separates the external ear from the middle ear and vibrates in response to sound waves.

Auditory Fluids

Liquids found within the ear, vital for the process of hearing; includes perilymph and endolymph.