Which of the following describes the action of the corrugator supercilii?
A) elevates the mandible
B) depresses the lips
C) moves the external ear
D) purses the lips
E) wrinkles the brow

Question

Quizplus · Accepted Answer

The corrugator supercilii muscle is responsible for drawing the eyebrows downward and medially, creating vertical wrinkles above the nose, which is often associated with frowning or concentrating.

Which of the Following Describes the Action of the Corrugator