The _______ Muscle Elevates the Upper Corners of the Mouth

Question

The _______ muscle elevates the upper corners of the mouth.
A) orbicularis oculi
B) frontalis
C) zygomatic
D) masseter

Accepted Answer

The zygomatic muscle is responsible for elevating the upper corners of the mouth in a smile. The orbicularis oculi is responsible for closing the eyelids, the frontalis for lifting the eyebrows, and the masseter for chewing.