Biology, 11.06.2021 14:00 jsjsjsskakwkowwj

22. What is an advantage of a double circulatory system in mammals? A. Blood can flow down the body on the left and up the body on the right.
B. Blood can flow more slowly along the circulatory system.
C. Blood pressure stays the same throughout the circulatory system.
D. Oxygenated and deoxygenated blood are kept separate.

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