Slow-Twitch Muscle Fibers

Multiple Choice

Slow-twitch muscle fibers

A) are the predominant type of muscle fibers in the upper limbs.
B) have a richer blood supply than fast twitch fibers, and contain myoglobin.
C) would be used for activities resulting in (or requiring) anaerobic respiration.
D) fatigue more easily than fast-twitch fibers.
E) have all of these characteristics.