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Lung Demonstration Apparatus

Algonquin - 650ml Aluminum Waterbottle

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Product Name: Lung Demonstration Apparatus

Product Code:  In stock

To show how the lungs are filled & emptied with air by the relaxation & contraction of the diaphragm muscle. Two balloons attached to a Y tube simulate the lungs; the chest cavity is 22.5x15cm jar with open top & stout rubber sheet which acts as the diaphragm.