you!
5. How does the respiratory system relate to the circulatory system?
A. The circulatory system brings in oxygen for the respiratory to pump around the
body.
B. The digestive system brings in oxygen for the circulatory system to pump
around the body.
C. The respiratory system brings in oxygen for the digestive to pump around the
body.
D. The respiratory system brings in oxygen for the circulatory system to pump
around the body.
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