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    Biology
  3. Study Set
    Principles of Life
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    Exam 33: Muscle and Movement
  5. Question
    In the First 15 Minutes of a 10K Run,the Major
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In the First 15 Minutes of a 10K Run,the Major

Question 19

Question 19

Multiple Choice

In the first 15 minutes of a 10K run,the major energy source of the runner's leg muscles is


A) preformed ATP.
B) glycolysis.
C) oxidative metabolism.
D) pyruvate and lactate.
E) the protein from his diet.

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