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Myofibrils The sarcomere is the unit of muscular contraction.
Glucose is used for energy in anaerobic systems related to muscular contraction.
isometric contraction
isometric contraction
The muscular system consists ofSkeletal muscleSmooth musclecardiac muscle
A rhythmic muscular contraction in the body is called Peristalsis.
Muscular strength
actin
a cramp or spasm.
tightens
ATP
A painful and involuntary muscular contraction.