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How Do Your Lungs Work?

15,941 意见 • 01/17/24
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samer kareem
samer kareem
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The lungs and respiratory system allow oxygen in the air to be taken into the body, while also enabling the body to get rid of carbon dioxide in the air breathed out. Respiration is the term for the exchange of oxygen from the environment for carbon dioxide from the body's cells.

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How Does Laser Eye Surgery Actually Work
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