Hang 5 DR, the average person breaths out about 40-60 times per minute. they breath in 70% nitrogen, 21% oxygen, and 0.04% CO2 and exhale 4-5% CO2........thats about 100 times more than they inhale........yep right wingers, middle of the road voters lefties n even Julia...............thank God for the plants!!!!
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Hang 5 DR, the average person breaths out about 40-60 times per...
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