Question

The _____converts sound vibrations into electrical impulses.

Answer 1

The "hair cells" in the cochlea of the inner ear convert sound vibrations into electrical impulses. Up to that point, it's all mechanical vibrations.

Answer 2

Ossicles

Step-by-step explanation:

They send the sound waves to the inner ear and into the fluid-filled hearing organ (cochlea). Once the sound waves reach the inner ear, they are converted into electrical impulses.