Biology, asked by prince4536, 1 year ago

8. The blood takes in oxygen sending
back into the lungs to be breathed out.
a. nitrogen
b. oxygen
carbon dioxide​

Answers

Answered by rjrocks73
1

Answer:

The blood takes in oxygen sending back into the lungs to be breathed out carbon dioxide.

Answered by rbittoo12
1

Carbon dioxide is correct answer

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