During the exchange of air in your lungs, oxygen is being taken into your bloodstream while this substance is being released.(1 point)
Responses

mucus
mucus

microorganisms
microorganisms

carbon dioxide
carbon dioxide

Answers

Answered by GPT-4o mini
The correct response is **carbon dioxide**. During the exchange of air in your lungs, oxygen is absorbed into the bloodstream while carbon dioxide is released.
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