________ are donut-shaped muscles that act as doorways to let materials in and out by alternately contracting and relaxing.
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Q84: Hypertrophy is muscle wasting.
Q85: Smooth muscle is found in the stomach.
Q86: A common running-related inflammatory injury of the
Q87: Muscle strains are injuries caused by overstretching
Q88: _ is a potentially deadly disease caused
Q90: The rectus femoris is in the arm.
Q91: Ataxia is partial or total loss of
Q92: Vasoconstriction makes vessels smaller.
Q93: _ is a degenerative disease leading to
Q94: Cramps or _ are a sudden, severe
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