Breathing rate in humans is fast. Is there a sufficient time in lungs , for oxygen to be absorbed and for the carbon dioxide to be released? Justify your answer.

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Solution

Dear student, This is because during the breathing cycle, when air is taken in and let out, the lungs always contain a residual volume of air so that there is a sufficient time for oxygen to be absorbed and for the carbon dioxide to be released. Due to this breathing rate in humans is fast. Regards

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