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Question
The volume of air in the lungs and the rate at which it is exchanged during inspiration and expiration was measured.
The following diagram shows a group of the lung volumes and capacities.
Study the diagram carefully and explain briefly the following :
Residual volume (RV)
Solution
Residual volume (RV): Air left in the lungs, even after forcible expiration is called residual volume. It is 1500 mL.
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