Question

The cochlea is

Answer 1

Answer:

1. a fluid-filled tube in which sound waves trigger nerve impulses.

Explanation:

The cochlea is one of the three areas of the inner ear. Its structure resembles the shell of snails. The cochlea is present anterior to the vestibule and is bony. It has several hair cells present in the organ of Corti. Hair cells serve as auditory receptors. As the sound waves enter the organ of Corti, the hair cells sense them and send the nerve impulse to the brain via the cochlear nerve. The brain interprets the pitch of the sound.