You awaken to discover your alarm clock failed to ring. You just might be able to make it to class on time if you leave immediately (skip breakfast) and sprint to reach the lecture hall two blocks away. What energy source is most likely being used to fuel your activity?

Question

Quizplus · Accepted Answer

Glycogen is the primary energy source for short, intense activities like sprinting. It is stored in the muscles and liver and can be quickly mobilized to provide energy.

You Awaken to Discover Your Alarm Clock Failed to Ring