Two Key Features of Human Communication Are __________ and __________

question 9

Short Answer

Two key features of human communication are __________ and __________.

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Definitions:

Facial Nerve

The seventh cranial nerve that controls the muscles of facial expression, among other functions.

Masseter Muscle

A facial muscle that plays a major role in the chewing of solid foods, connecting the lower jawbone to the cheekbone.

Orbicularis Oris

A complex of muscles in the face that encircles the mouth, controlling movements like closing or puckering the lips.

Buccinator

A muscle of the cheek that acts to compress the cheek against the teeth and is used in blowing and sucking motions.