The cochlea is a

A) fluid-filled tube in which sound waves trigger nerve impulses.
B) fluid-filled tube that provides a sense of upright body position.
C) fluid-filled tube that provides a sense of body movement.
D) set of three tiny bones that amplify the vibrations of the eardrum.

Cochlea

A spiral-shaped, fluid-filled inner ear structure that is essential for translating sound into nerve impulses sent to the brain.

Nerve Impulses

Electrical signals that are transmitted along neurons, enabling communication within the nervous system.

Fluid-Filled Tube

A tube that contains a liquid which can be used in various mechanical or biological systems.