Specification:
The volume of air trapped in the bag is measured in litres and for all
practical purposes represents a person"s lung volume, though a small
portion of air always remains in the lungs.
Lung Volume Kit is used to measure vital capacity, the
volume of air a person can expel after taking the deepest possible
breath.
Comparisons can be made between a persons lung volumes and such factors as height, age, physical activity and smoking habits.
