School Lab Lung Demonstration Model

This simple, yet effective apparatus consists of two sacs which represent the lungs, a rubber membrane which serves as the diaphragm and a clear plastic enclosure which models the chest cavity. 

making the diaphragm relax and contract the students can see how the lungs are emptied and filled with air. 

A firsthand view of how the lungs work.

Size: Height 30cm x Width 14.5cm