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8 terms

muscle quiz 2

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muscle contraction
ability to make a muscle become shorter and thicker
lateral ptergoid
muscle that opens the mouth
206
number of bones in the body
lactic acid
waste product that builds up in the muscle after extensive exercise
sternocliedmastoid
rotates the head to one side if one muscle contracts and other muscles relax
masseter
closes the mouth (mandible)
humerus bone
in the pectorlis major's insertion
muscle fibers
strands of tissue that make up a muscle