Slow-twitch fibers
A) are also called oxidative muscle.
B) are also called red muscle.
C) are well supplied with mitochondria.
D) contain the oxygen-binding protein myoglobin.
E) All of the above

Question

Quizplus · Accepted Answer

Slow-twitch fibers are also called oxidative muscle because they rely heavily on aerobic metabolism, which requires oxygen. They are also called red muscle due to their high myoglobin content, which gives them a red color. Slow-twitch fibers are well supplied with mitochondria, which are responsible for generating energy through aerobic metabolism. Therefore, all the given options are correct.

Slow-Twitch Fibers