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Muscular System (Muscles of Thigh & Leg (Tibialis Anterior (Location:…
Muscular System
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Muscles of Head
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Buccinator
Location: Maxilla & mandible near molars
Action: Compresses cheek(Whistling & sucking); holds food between teeth while chewing
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Platysma
Location: Connective tissue, covering of superior cheek muscles
Action: Pulls corners of mouth inferiority
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Muscles of Trunk
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Erector Spinae
Location: iliac crest, ribs 3-12, & vertebrae
Action: Extends back
FUNCTION:
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Stabilizing joints, body posture, & regulating organ volume
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3 types of muscle
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Skeletal
Cells are long, cylindrical, parallel, & multinucleated
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Cardiac
Long, cylindrical, branched, & single central nucleus
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