What happens when we respire ?
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when we respire, the glucose is breakdown in order to produce energy
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When you breathe in, the air first travels into your mouth and nose. From there it goes into your trachea—also called your windpipe—and then travels through tubes called airways, all the way down into your lungs. Air contains oxygen, and once inside the lungs, the oxygen can travel through the bloodstream to wherever in the body it’s needed
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