Multiple Choice
Why are slow-twitch muscles dark?
A) They have many more myofibrils per motor unit than fast-twitch fibers.
B) They are designed for strength and explosions of energy.
C) They need less blood than fast-twitch fibers.
D) They contain myoglobin.
E) They have fewer mitochondria.
Correct Answer:
Verified
Correct Answer:
Verified
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