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September 6, 2008
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Model, Plastic Lung Demonstration Model, Plastic Lung Demonstration

WL1521A      $68.95     


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Students can demonstrate how the lungs work with this safe, transparent plastic lung model. Constructed of two rubber balloons, a Y-tube, rubber stopper and bell jar. Pull the thin rubber diaphragm at the bottom of the jar down to see the lungs inhaling. Push it in and the balloons will collapse (exhaling). Approximately 8" sq.



WL1521A Model, Plastic Lung Demonstration
In stock
$68.95





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