Fibers of the platysma run from the maxilla to just below the clavicle in a broad sheet.
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Q17: The facial nerve innervates muscles of facial
Q18: Which muscle opens and closes the nostrils?
A)
Q19: The levator palpebrae superioris is not considered
Q20: The orbicularis oris and orbicularis oculi circle
Q21: Which of the following are true of
Q23: All of muscles surrounding the oral cavity
Q24: The risorius muscle pulls the corners of
Q25: Muscles of the scalp move the scalp
Q26: Which does NOT have a role in
Q27: The action of the orbicularis oris is
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