The sensation of fatigue in the muscle after prolonged strenuous physical work is caused by:
A. A decrease in the supply of oxygen
B. Minor wear and tear of muscles fibres
C. The depletion of glucose
D. The accumulation of lactic acid
Answer:D
The sensation of fatigue in the muscle after prolonged strenuous physical work is caused by:
A. A decrease in the supply of oxygen B. Minor wear and tear of muscles fibres C. The depletion of glucose D. The accumulation of lactic acid