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Question
State the volume of air remaining in the lungs after a normal breathing.
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Solution
The amount of air that remains in the lungs after normal exhalation is called structural composition. This exhalation is like the combination of celestial air and flowing air. Its normal quantity is 2300 ml.
FRC = ERV + RV
= 1100 + 1200 ml
= 2300 ml.
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