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    The Muscular System Manual
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    Exam 13: Muscles of Facial Expression
  5. Question
    Which Is (Are)an Action of the Orbicularis Oris
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Which Is (Are)an Action of the Orbicularis Oris

Question 33

Question 33

Multiple Choice

Which is (are) an action of the orbicularis oris?


A) closes the mouth
B) opens the mouth
C) compresses the cheeks (against the teeth)
D) all of the above

Correct Answer:

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