Examlex
The proportion of the population of the United States age 65 and older should peak in what year?
Buccinator
A muscle of the cheek that compresses the cheek against the teeth and aids in chewing.
Orbicularis Oculi
A circular muscle around the orbit of the eye that allows the eyes to close, blink, and squint.
Masseter
The masseter muscle is a facial muscle that plays a key role in mastication (chewing) by elevating the mandible (lower jaw).
Zygomaticus Major
A muscle of facial expression that draws the angle of the mouth superiorly and posteriorly.
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