- Elementary Education
- Economy Lung Respiration Model
Economy Lung Respiration Model
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GRADE 5 AND UP
An excellent way to demonstrate the breathing mechanism. Apparatus consists of a bell jar which represents the thoracic cavity, a rubber dam representing the diaphragm, and a Y-shaped tube representing the trachea and bronchial tubes. Connected to the bronchial tubes are two lung-shaped inflatables. The lungs inflate and deflate on working the rubber dam (diaphragm). Strong, lightweight plastic and rubber construction. 7" H x 4-1/2" dia.