$415.20 (as of 12/01/2019 15:49 PST details )
Features:
- The Deluxe Lung Model Apparatus is a visual demonstration of how a lung is emptied and filled with air by the relaxation and contraction of the diaphragm muscle.
- 2 balloons are attached to a glass Y tube and simulate the lungs. The chest cavity is a plastic bell jar. The rubber sheet is used to represent the diaphragm. As the diaphragm is pulled downward, the atmospheric pressure is lowered inside the chamber
- Sold in a Case of 8