Which Layer on This Figure Is the Upper Mantle

question 40

Multiple Choice

Which layer on this figure is the upper mantle?

• A) A
• B) B
• C) C
• D) D
• E) E

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Definitions:

Orbicularis Oris

A circular muscle around the mouth that controls lip movements, such as puckering and closing.

Levator Labii Superioris

The Levator Labii Superioris is a facial muscle that elevates the upper lip, aiding in expressions of disgust or snarling.

Platysma

A broad, thin muscle located in the chest and neck that is involved in facial expression and movement of the jaw.

Quadriceps Femoris

A large muscle group that covers the front and sides of the thigh, responsible for extension of the knee.