Q:

The muscle fibres adapted to endurance running

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The muscle fibres adapted to endurance running.


  1. Are classified as slow rather than fast.
  2. . Have a relatively high myoglobin content.
  3. Are red rather than white.
  4. Have a relatively high mitochondria content.
  5. Are classified as anaerobic rather than aerobic.

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A. True The time course of their twitch is relatively long.

B. True This provides an intracellular store of oxygen.

C. True This is due to their myoglobin content.

D. True They generate energy by oxidative phosphorylation.

E. False Their high rate of oxygen consumption classifies them as aerobic.

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