WBCS.LIVE practice question

Muscle fatigue is due to accumulation of

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Carbon dioxide
  2. Creatinine
  3. Lactic acid
  4. Ethyl alcohol

Correct answer and explanation

Correct answer: Lactic acid

Explanation: āœ… Correct Answer: C) Lactic acid šŸ“š Explanation: During vigorous physical activity, the supply of oxygen to the muscles may become insufficient. In this state, the muscles switch to anaerobic respiration, which produces Lactic acid. The build-up of this acid causes the feeling of fatigue, soreness, and burning in the muscles.