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 ng Tama please kailangan po talaga Maraming Salamat po
A. digestive
b. circulatory
c. nervous
d. respiratory
pasagot po ng Tama please kailangan po talaga Maraming Salamat po
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Answer:
b po ang answer circulatory