S41390
American Educational Products Lung Demonstration Apparatus
Manufacturer: American Educational Products
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Product Type
Lung Replacement Rubber Dam
For Use With (Application)
Simple model demonstrates the mechanisms of breathing for students
Material
Plastic
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Description
- This simple model demonstrates the mechanisms of breathing for students
- Shows how the lungs are emptied and filled with air by the relaxation and contraction of the diaphragm muscle One or two balloons attached to a Y-tube simulate the lungs The chest cavity is a half-gallon bell jar with open top and stout rubber sheet that acts as the diaphragm As the diaphragm is pulled downward, the atmospheric pressure is lowered inside the chamber, causing the lungs to expand and take in air When the diaphragm is released, the lungs deflate
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