Biology, asked by vaisa7576, 11 months ago

Explain the process of O₂ & CO2-
exchange in respiratory system​

Answers

Answered by KrishnaKelapure
1

Answer:

this could be an answer...

Attachments:
Answered by himanshibazzad1
0

Explanation:

when we inhale O2 our lungs expand but when we exhale CO2 releases from our body and lungs contact

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