PHYSIOLOGY
MUSCLE CONTRACTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The third and final phase of a muscle contraction is known as
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Activation
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Excitation-Contraction Coupling
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The Cross-Bridge Cycle
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None of the above
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Explanation:
Detailed explanation-1: -(3) When the nervous system signal is no longer present, the chemical process reverses, and the muscle fibers rearrange again and the muscle relaxes.
Detailed explanation-2: -Depolarisation and calcium ion release. Actin and myosin cross-bridge formation. Sliding mechanism of actin and myosin filaments.
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