Lung demonstration Model-(ELS-LNGDEMO)

Lung demonstration Model - A first-hand view of how the lungs work. 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. By making the diaphragm relax and contract the students can see how the lungs are emptied and filled with air. Made of high quality rubber and plastic Simplicity of model allows demonstration to multi ages. Simply pull onto the bottom rubber section to simulate the diaphragm relaxing and contracting and show how the lungs are emptied and filled with air with each breath -