Multiple choice

Heavy weightlifters develop muscle cramps after heavy exercise. This is due to the accumulation of _________ in the muscles.

  1. malic acid

  2. oxalic acid

  3. citric acid

  4. lactic acid

  5. acetic acid

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

This is the correct option. Heavy weightlifters develop muscle cramps after heavy exercise. This is due to the accumulation of lactic acid in the muscles.