An intermediate fiber contracts fast, but it has more ________ and greater resistance to fatigue than a fast fiber.

Question

Quizplus · Accepted Answer

Mitochondria are responsible for producing energy in the form of ATP, which is used to power muscle contractions. Fast fibers have fewer mitochondria than intermediate fibers, which means that they have less energy available for contractions and are more susceptible to fatigue.

An Intermediate Fiber Contracts Fast, but It Has More ________