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Physiology & Medicine / Where air comes from when puffing out your cheeks?
« on: 25/05/2004 11:19:58 »
Where does the air come from when you puff out your cheeks? Even if I blow out so deep that it hurts to blow out any more, close my mouth and block my nose, I can still puff out my cheeks with not a problem.
Am I dead? Am I alive? I'm both!
Am I dead? Am I alive? I'm both!