Science, asked by pubgaman828, 7 months ago

What is its gies up when it get oxygen and goes down ​

Answers

Answered by kabir645
13

Explanation:

  • Through the very thin walls of the alveoli, oxygen from the air passes into your blood in the surrounding capillaries. At the same time, carbon dioxide moves from the capillaries into the air sacs. This process of exchanging oxygen for carbon dioxide is called gas exchange.
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