During heavy exercise of short duration, the body consumes most of the stored oxygen from which of the following sources?
I.Lungs
II.Blood
III.Muscle fibers
IV.Coronaries

Question

Quizplus · Accepted Answer

The body cannot store much oxygen. During heavy exercise of short duration, the body consumes most of the stored oxygen in the lungs, blood, and muscle fibers within approximately 1 minute, and the lungs cannot take up oxygen fast enough to meet the body's requirements; this creates an oxygen debt.

During Heavy Exercise of Short Duration, the Body Consumes Most