Q. How much air do we breathe each day?
A. 550 liters of pure oxygen. That does not include the amount we also exhale.
Q. What makes us breathe in even more?
A. Exercise, larger lungs (children take in slightly less), certain medical condition.
Q. How can we measure how much air we take in per breath?
A. Breathe into a paper bag. See how much it fills up and deflates.
Source: Discovery Health
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