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

Related questions