The sensation of fatigue in the muscles after prolonged strenu | UPSC Civil Services Upsc Prelims Mains Exam Current Affairs GS Gk Tricks SSC CGL IAS IFS IPS EPFO PCS UPPCS MPPCS Bihar PCS

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