Multiple choice general knowledge science & technology

What forms in your muscles when you exercise

  1. Carbon Dioxide

  2. Lactic Acid

  3. Hydrocloric Acid

  4. Chromium

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

When you exercise intensely and your muscles need more oxygen than available, they switch to anaerobic respiration, producing lactic acid as a byproduct. This lactic acid buildup contributes to muscle fatigue and soreness after intense exercise.