Which Should Be Used to Model the Lung's Action with Pulmonary

Question

Which should be used to model the lung's action with pulmonary ventilation?
A)A sheep pluck
B)Modeling clay
C)A bell jar
D)A balloon

Accepted Answer

A bell jar is often used to model the lung's action with pulmonary ventilation because it can simulate the diaphragm's movement and the resulting changes in air pressure that cause the lungs to inflate and deflate.