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Which would cause fatigue in the body of a long-distance runner?

Multiple choice question.

A)
buildup of lactic acid in muscles

B)
metabolizing oxygen aerobically

C)
excess ATP created in muscle cells

D)
decrease of fermentation energy

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kassandramiller0527

Answer:

the anwser is A. buildup of lactic acid in muscles

Explanation:

hope this helps :) explanation below

A long run results in a build-up of lactic acid and other waste products in your muscles and tissues, which causes weakness and fatigue. 1  It takes time for your body to eliminate the waste products and repair the muscle fibers.

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