Mathematics, 04.11.2020 17:50 annapittbull12
Your lungs bring fresh oxygen into your body. They remove the carbon dioxide and other waste gases that your body's doesn't need. To breathe in (inhale), you use the muscles of your rib cage – especially the major muscle, the diaphragm. Your diaphragm tightens and flattens, allowing you to suck air into your lungs.
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Your lungs bring fresh oxygen into your body. They remove the carbon dioxide and other waste gases t...
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