Biology, 03.06.2021 23:00, laurenbreellamerritt

21. In what ways are lungs and gills similar? A. Both are used for circulating blood through the body.
B. They both are used in animal mating behavior.
C. Both are organs animals use to exchange oxygen & carbon dioxide.
D. None of the above.

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21. In what ways are lungs and gills similar? A. Both are used for circulating blood through the bo...