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ZYGOMATIC MAJOR AND MINOR MUSCLES
WHERE ARE THEY:
The cheeks.
WHAT DO THEY DO:
Elevates the upper lip to form a smile. Allows us to curl our top lip to demonstrate smugness.
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MENTALIS MUSCLE
WHERE ARE THEY:
Runs vertically from the lower lip to the chin.
WHAT DO THEY DO:
Raises and thrusts out the lower lip to make a pout.
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BUCCINATOR MUSCLE
WHERE ARE THEY:
Under the cheeks.
WHAT DO THEY DO:
Pulls the angle of the mouth laterally. Compresses the cheeks to the teeth and expels air betwee...
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DEPRESSOR ANGULI ORIS
WHERE ARE THEY:
The corners of the mouth.
WHAT DO THEY DO:
Lowers the corners of the mouth into a frown.
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LEVATOR ANGULI ORIS MUSCLE
WHERE ARE THEY:
On either side of the mouth.
WHAT DO THEY DO:
Elevates the angle of the mouth.
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PROCERUS MUSCLE
WHERE ARE THEY:
Between the eyebrows.
WHAT DO THEY DO:
Pulls the eyebrows down and together.
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ORBICULARIS OCULI
WHERE ARE THEY?
Circular muscle of the eye.
WHAT DO THEY DO?
Closes the eyelids, squints the eye, and aids in the passing and draining of tears
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LEVATOR LABII SUPERERIORIS / DEPRESSOR LABII INFERIORIS
WHERE ARE THEY:
Muscles surrounding the mouth.
WHAT DOES IT DO:
Pulls the upper and lower lips up- and down respectively when we smile and frown.
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FRONTALIS MUSCLE
WHERE ARE THEY:
Muscles surrounding the forehead
WHAT DO THEY DO?
Lifts the eyebrows, makes horizontal forehead wrinkles when we are surprised.
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