PHYSIOLOGY
MUSCLE CONTRACTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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extensibility
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ability to be stretched
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ability to respond to a stimulus
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allows the muscle to return to its original shape after it has contracted or stretched
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muscle fibers become short and thick
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Explanation:
Detailed explanation-1: -Extensibility means that muscles can be stretched to their normal resting length and beyond to a limited degree. Elasticity means that if muscles are stretched, they recoil to their original resting length.
Detailed explanation-2: -Elasticity is the ability to recoil or bounce back to the muscle’s original length after being stretched.
Detailed explanation-3: -Extensibility is the ability to extend or stretch. Muscle cells shorten when contracting, but they can stretch, even beyond their resting length, when relaxed. Elasticity is the ability of a muscle cell to recoil and resume its resting length after stretching.
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