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Select the correct answer.
How does a proper warm up affect blood flow?

OA Blood flow increases.

OB Blood flow decreases.

OC Blood flow increases and then decreases.

D Blood flow decreases and then increases.

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MangoTess

Answer:

A. Blood flow increases

Explanation:

A proper warm-up should cause an increase in blood flow and help warm up the muscles before engaging in more rigorous activity.

a.blood flow increases

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