Question

Fast fibers
A. have twitches with a very brief contraction phase.
B. have low resistance to fatigue.
C. have many mitochondria.
D. rely on aerobic metabolism.
E. have low resistance to fatigue and quick twitches.

Answer 1

Answer:

I believe the answer is  that they have low resistance to fatigue and quick twitches

Explanation:

fast fibers

Answer 2

Answer: B. have low resistance to fatigue.

Explanation: Fast fibers have low resistance to fatigue and have quick twitches.