What pigment do slow fibers contain?

• Correct Answer: myoglobin
• iron
• melolin
• hemoglobin

Explanation: Which of the following statements is true? a. Fast fibers have a small diameter. Fast fibers contain loosely packed myofibrils. Fast fibers have large glycogen reserves. Fast fibers have many mitochondria. Which of the following statements is false? a. Slow fibers have a small network of capillaries. Slow fibers contain the pigment myoglobin. Slow fibers contain a large number of mitochondria. Slow fibers contract for extended periods. Cardiac muscles differ from skeletal muscles in that they ________. are striated b. utilize aerobic metabolism.

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