Usain Bolt, a world champion sprinter, can run a 10-meter splitin 0.82 seconds. Say you obtain a quadriceps muscle sample fromUsain Bolt and compare it to one from a 25-year-old malelong-distance runner. What differences do you expect to observebetween those two muscle samples? Select all that apply.
A) red and white muscle fibers of larger cross-sectional area inUsain Bolt's leg muscles
B) more mitochondria in Usain Bolt's leg muscles
C) more fast-twitch fibers in Usain Bolt's leg muscles
