how much air do you breathe . do a simple activity to know it
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5.0–6.3% water vapor. 79% nitrogen. 13.6–16.0% oxygen. 4.0–5.3% carbon dioxide we breathe in.
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Every day, you breathe in just over 2,000 gallons of air—enough to almost fill up a normal-sized swimming pool. That's a lot of air. It's the amount needed to oxygenate approximately 2,000 gallons of blood pumped through your heart daily.
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