When Lily goes running, it causes the cells in her muscular system to use oxygen at a faster rate. Which system responds by delivering more oxygen to these cells?
a. digestive
b. circulatory
c. nervous
d. respiratory
pasagot po pleasew
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When Lily goes running, it causes the cells in her muscular system to use oxygen at a faster rate. Which system responds by delivering more oxygen to these cells?
a. digestive
b. circulatory
c. nervous
d. respiratory
pasagot po pleasew
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Answer:
C
Explanation:
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