Question

the is a spiral tube in the inner ear that senses sound vibrations and transmits them to the auditory nerve. eardrum pinna cochlea semicircular canal

Explanation:

The cochlea is a spiral tube in the inner ear responsible for sensing sound vibrations and transmitting them to the auditory nerve. The eardrum is in the middle ear, the pinna is the outer ear, and semicircular canals aid balance, not sound transmission.

Answer:

C. cochlea