NEET Biology question

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

(A)a decrease in the supply of oxygen
(B)minor were and tear of muscle fibers
(C)the deletion of glucose
(D)the accumulation of lactic acidCorrect

Answer: (D)

Solution

Prolonged strenuous activity depletes ATP and glycogen and forces the muscle into anaerobic glycolysis, which produces and accumulates lactic acid; this buildup,

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Question ID VK-116880