Question

The volume of air which remains in the lungs after expiration is __________ volume.

Answer 1

Residual volume:

1. Residual volume is the amount of air that remains in a person's lungs after full exhalation.
2. It is necessary for breathing and proper lung function.
3. It helps to prevent the lungs from collapsing.
4. The normal residual volume is 1200 ml.

Final answer:

The volume of air that remains in the lungs after expiration is residual volume.