During heavy exercise, muscle cells use oxygen more quickly than normal. Which system responds by carrying extra oxygen to these muscle cells? a. digestive b. circulatory c. nervous d. immune

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asked Oct 12, 2022 223k views

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During heavy exercise, muscle cells use oxygen more quickly than normal. Which system responds by carrying extra oxygen to these muscle cells?

a. digestive b. circulatory c. nervous
d. immune

Physics
high-school

Ebpo asked

by Ebpo

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Answer:

The answer is B. Circulatory

Andrii Zarubin answered Oct 15, 2022

by Andrii Zarubin

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