The sensation of fatigue in the muscles after | vedclass

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(D) The reduction in the force of contraction of a muscle after prolonged stimulation is called muscle fatigue.During strenuous physical activity,the

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the accumulation of lactic acid

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(D) The reduction in the force of contraction of a muscle after prolonged stimulation is called muscle fatigue.During strenuous physical activity,the demand for $ATP$ increases,and when the supply of $O_{2}$ is insufficient for aerobic respiration,muscle cells perform anaerobic respiration (glycolysis).This process results in the accumulation of lactic acid in the muscle tissues.The accumulation of lactic acid is the primary cause of the sensation of fatigue in the muscles.

The sensation of fatigue in the muscles after prolonged strenuous physical work is caused by

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