Muscle fatigue is caused by the accumulation of___________?
Correct answer: B. Lactic acid
- A. Uric acid
- B. Lactic acid
- C. Oxalacetic acid
- D. Fyruvie acid
Explanation
During intense exercise with insufficient oxygen, muscles produce lactic acid through anaerobic respiration, and its associated metabolic changes contribute to fatigue. Uric acid is mainly a waste product of purine breakdown.
Last updated