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Does the Respiratory System need blood to work?
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Does the Respiratory System need blood to work?

User Jove
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2 Answers

4 votes

No i do not think so it is just the lungs and it filters the air and oxygen we breathe and expells carbon dioxide.

User Ethan Brouwer
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1 vote
Yes the Respiratory System needs blood to work.
User Rafa Gomez
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