the sensation of fatigue in the muscles after prolonged strenuous physical work is caused by a) decrease in supply of oxygen b) minor wear and tear of muscle fibres c) accumulation of lactic acid d) none of the above.
Answers
Answer:
The correct answer for the question asked at hand is the option C.
Explanation:
The sensation of fatigue which the muscles feel after a prolonged and a strenuous physical workout is caused by the accumulation of lactic acid.
This is so because lactic acid buildup tends to cause fatigue and soreness in the muscles.
There is a burning sensation felt up in the muscles when buildup of acid happens in muscles during exercise. This is also known as acidosis.
The sensation of 'fatigue' in muscles after prolonged 'strenuous physical work' is caused because of the "accumulation of lactic acid".
EXPLANATION:
Lactic acid accumulates in the body to cause 'fatigue' and 'soreness' of the muscles. During strenuous physical work, lactic acid grows up in the muscles of the body and result in a burning sensation in the muscles. The lactic acid so accumulated slows down the body. This is also known as acidosis.