Repaying the oxygen debt requires replacing oxygen that was
A)bound to blood hemoglobin and muscle myoglobin.
B)needed to metabolize lactic acid.
C)used for tissue warm up.
D)All of the choices are correct.

Question

Quizplus · Accepted Answer

Repaying the oxygen debt refers to the process of restoring the oxygen levels in the body that were depleted during intense exercise. Oxygen is required for two major functions in the body, which are to metabolize lactic acid produced during anaerobic respiration and to bind with the hemoglobin and myoglobin in the blood and muscles, respectively. Additionally, oxygen is also required for tissue warm-up. Therefore, all of the choices- A, B & C are correct, and the best answer is D.

Repaying the Oxygen Debt Requires Replacing Oxygen That Was