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 children can see how the lungs are emptied and filled with air. Comes complete with comprehensive study and teaching guides. Size: 6.5"D x 5"H.

Product Code: 403-004

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