American Educational Revised Version Plastic Lung Apparatus with Y Connector and 1 Balloon, 8-1/4" Diameter x 8-1/4" Height Materials: Foam Plastic

Materials: Foam Plastic

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American Educational Revised Version Plastic Lung Apparatus with Y Connector and 1 Balloon, 8-1/4" Diameter x 8-1/4" Height Materials: Foam PlasticLung apparatus for study of relaxation and contraction of human lungs Half gallon plastic bell jar with open top with rubber sheet for representing chest cavity and diaphragm Available with one or two balloons attached to Y tube for simulating lungs Lesson plan for instructional use Measures 8 1 4 x 8 1 4 x 8 1 4 inches (L x W x H) The American Educational lung apparatus is for studying relaxation and contraction of human lungs. The apparatus has a