The sensation of fatigue in the muscles after prolonged strenuous physical work is caused by
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 wear and tear of muscle fibres
(c) the depletion of glucose
(d) the accumulation of lactic acid
6 views
1 Answers
(d) Fatigue is caused by excess anaerobic metabolism, which results in production of excess lactic acid. This lactic acid causes the muscle pain.
6 views
Answered