Multiple Choice
Compared to when he was a young man, Chris's muscles ______ now that he has grown old.
A) contain fibers that are more angular than round
B) show a more even distribution of slow- and fast-twitch fibers
C) are more likely to be hybrids of fast- and slow-twitch fibers
D) are more likely to be made up of slow-twitch fibers
Correct Answer:
Verified
Correct Answer:
Verified
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