The primary muscle of the lips is the ______________ muscle, which also is the sphincter of the mouth.
A) orbicularis oris
B) buccinator
C) depressor labii inferioris
D) mentalis
E) procerus
Correct Answer:
Verified
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Q18: The _ nerve divides into a superior
Q19: The nerve supply of the face is
Q20: The muscle that originates from the superior
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