You've just eaten something sour and pucker your lips in response. This occurs due to the contraction of the ________ muscle.
A)orbicularis oculi
B)orbicularis oris
C)masseter
D)zygomaticus

Question

Quizplus · Accepted Answer

The contraction of the orbicularis oris muscle is responsible for the puckering or pursing of the lips in response to something sour. The orbicularis oculi muscle is responsible for blinking and closing the eyelids. The masseter muscle is involved in chewing and closing the jaw. The zygomaticus muscle is responsible for smiling.

You've Just Eaten Something Sour and Pucker Your Lips in Response