2. When athletes undergo extreme exertion, their circulatory system may be unable to supply enough
2 answers:
Answer:
I would think it’s the long distance runner.
Explanation: Running at any significant distance requires tremendous exertion from the entire body and breathing properly is the key to getting enough oxygen into the bloodstream which then carries it throughout the body.
Answer:
Answer is a body builder because they have to put out the most effort in the shortest amount of time
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Explanation:
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