Which of the following best describes the orbicularis oris?

A) It draws the eyebrows together.
B) It pulls the lower lip down and back.
C) It closes, purses, and protrudes the lips.
D) It allows blinking and squinting of the eyes.


C
Explanation:
A) The orbicularis oris is associated with the mouth.
B) The orbicularis oris does not pull the lower lip down and back.
D) The orbicularis oris is associated with the mouth.

Anatomy & Physiology

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