asked 154k views
2 votes
Which of the following systems help in absorbing oxygen and releasing carbon dioxide? a. respiratory system. c. integumentary system. b. muscular system. d. none of the above.

2 Answers

4 votes
A. Respiratory system
answered
User Benbotto
by
7.9k points
4 votes
The respiratory system (a)
answered
User Lisaann
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7.5k points
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