eziliwest29 eziliwest29

04-04-2020
Biology

contestada

How does breathing allow large amounts of oxygen into the blood?

Respuesta :

GabrielCobian GabrielCobian

04-04-2020

Answer:

air sacs

Explanation:

Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. From there it is pumped to your lungs so that you can breathe out the carbon dioxide and breathe in more oxygen.

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