The burning sensation associated with muscle fatigue is due to the accumulation of
A) lactic acid.
B) pyruvate.
C) carbon dioxide.
D) NADH.
E) protein.

Question

Quizplus · Accepted Answer

The burning sensation in muscles during intense exercise is primarily due to the accumulation of lactic acid, which is produced when the body breaks down carbohydrates for energy without enough oxygen.

The Burning Sensation Associated with Muscle Fatigue Is Due to the Accumulation