Eardrum Vibrations Are Transmitted to the Cochlea by a Piston

question 137

Multiple Choice

Eardrum vibrations are transmitted to the cochlea by a piston consisting of

• A) protruding hair cells.
• B) the basilar membrane.
• C) the hammer,anvil,and stirrup.
• D) vestibular sacs.

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Definitions:

Vestibular Organ

is the sensory system located in the inner ear that helps control balance and eye movements.

Cochlea

The coiled structure in the inner ear that contains the basilar membrane.

Olfactory Receptor Neurons

Specialized nerve cells located in the nasal cavity that detect chemical substances in the air, leading to the sense of smell.

Olfactory Epithelium

A mucous membrane at the top of the nasal cavity; contains the olfactory receptor neurons that respond to airborne molecules called odorants.