PHYSIOLOGY
MUSCLE CONTRACTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Results in an increase in both myoglobin and mitochondria
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aerobic exercise
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anaerobic exercise
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both
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None of the above
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Explanation:
Detailed explanation-1: -Myoglobin facilitates oxygen diffusion. Myoglobin desaturates at the onset of muscle activity, which increases oxygen’s diffusion gradient from the capillaries to the cytoplasm.
Detailed explanation-2: -Conclusion. Aerobic exercise is a potent stimulus to increase mitochondrial mass and function in skeletal muscle. However, how the processes of mitochondrial biogenesis, dynamics and mitophagy are co-ordinated to facilitate this response is still unknown.
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