A person runs very fast for several minutes and develops muscle cramps. Which substance is mainly responsible for these cramps?

Answer as guest — Start Free Practice Test to earn Practice PointsHow to earn pointsAsk a question+3Answer a question+1Someone answers yours+1Your Q gets upvoted+1Pioneer bonus (first 5)+51 point = ₹1 discount on purchases, ask questions & climb the leaderboard!

• A Oxygen
• B Lactic acid
• C Carbon dioxide
• D None of the above

Submit Answer

Show answer and explanation

Answer: B. Lactic acid

During intense exercise, muscles may respire anaerobically and produce lactic acid.

Answering after opening this box earns no Practice Points.