Production and accumulation of ________ in muscle cells leads to muscle fatigue.
A) lactic acid
B) ATP
C) glucose
D) glycogen

Question

Quizplus · Accepted Answer

During strenuous exercise, muscles can run out of oxygen and switch to anaerobic respiration, which produces lactic acid as a byproduct. Accumulation of lactic acid in muscle cells can lower the pH level, disrupt enzyme activity, and lead to muscle fatigue. ATP and glucose are necessary energy sources for muscle contraction, while glycogen is a stored form of glucose in muscle and liver cells.

Production and Accumulation of ________ in Muscle Cells Leads to Muscle