Thigh muscles get tired but not the muscles o | vedclass

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(C) Thigh muscles are composed of skeletal muscle fibers,which are voluntary and prone to fatigue due to the accumulation of lactic acid during prolon

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Thigh muscles get fatigued soon whereas muscles of the ventricle of heart do not get fatigued as they are cardiac muscles

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(C) Thigh muscles are composed of skeletal muscle fibers,which are voluntary and prone to fatigue due to the accumulation of lactic acid during prolonged contraction.In contrast,the heart is composed of cardiac muscle fibers,which are involuntary and specialized for continuous,rhythmic contraction throughout life without fatigue.Cardiac muscles possess a high density of mitochondria and a rich blood supply,allowing them to sustain aerobic respiration and prevent the buildup of fatigue-inducing metabolites.Therefore,the primary reason for the difference in fatigue resistance is the structural and functional specialization of cardiac muscle tissue compared to skeletal muscle tissue.

Thigh muscles get tired but not the muscles of the ventricle of heart because

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