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Human respiratory system during breathing cycle what is the advantage of the residual volume of air in lungs |
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Answer» Residual volume is the amount of gas remaining in the lungs at the end of a maximal exhalation. Residual Volume is IMPORTANT because it PREVENTS the lungs from collapsing. Even after we have expelled as much air as possible (expiratory reserve volume) gaseous exchange is STILL OCCURRING by residual VOLUMEIN the lungs. |
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