During the recovery period the body's need for oxygen is increased because

Question

Quizplus · Accepted Answer

During recovery after exercise, the body requires additional oxygen to restore energy reserves such as glycogen in the muscles and liver. Oxygen is essential for the aerobic metabolic pathways that produce ATP from glucose and glycogen. As the body replenishes its energy stores, the need for oxygen gradually decreases. Other choices are incorrect because creatine phosphate does not stimulate mitochondrial activity but provides a rapid source of ATP for muscle contractions, and lactic acid is produced during anaerobic metabolism, not during recovery.

During the Recovery Period the Body's Need for Oxygen Is