Multiple Choice
Refer to the figure showing the fiber types in the leg muscles of two runners.Arrows represent the duration (length of arrow) and speed of running (thickness of arrow) . 
Based on the figure we can surmise that the fibers labeled 1 _______ than the fibers labeled 2.
A) have more mitochondria
B) are supplied with more capillaries
C) contain more lipids
D) use up their major energy source more quickly
E) contain more myoglobin
Correct Answer:
Verified
Correct Answer:
Verified
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