Anatomy & SciencesQuestion 284 of 484
The muscle that pulls the corners of the mouth downward, helping create a frowning expression, is the:
a.Risorius
b.Levator labii superioris
c.Depressor anguli oris
d.Mentalis
Explanation
Depressor anguli oris pulls the corners of the mouth down. Levator labii superioris lifts the upper lip; mentalis wrinkles the chin; risorius pulls the mouth corners laterally.
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