Question

b) During breathing cycle what is the advantage of residual volume of air in lungs? Explain.

Answer 1

In the breathing cycle, the Residual volume of air in the lungs corresponds to the air that remains inside the person’s lungs after complete exhalation.


The residual air volume helps the doctor to understand how well the lungs of the person are working. The residual air volume is measured by a Gas Dilution Test or with a Body plethysmograph.

Answer 2

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