The sensation of fatigue in the muscles after | vedclass

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(D) During prolonged strenuous physical work,the demand for $ATP$ in muscle cells increases significantly. When the oxygen supply is insufficient to m

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the accumulation of lactic acid

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(D) During prolonged strenuous physical work,the demand for $ATP$ in muscle cells increases significantly. When the oxygen supply is insufficient to meet this demand through aerobic respiration,muscle cells switch to anaerobic respiration. In this process,glucose is broken down into lactic acid. The accumulation of lactic acid in the muscle tissue leads to a decrease in $pH$ and interferes with muscle contraction,resulting in the sensation of fatigue.

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

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