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American Educational

American Educational 7-1203-12 Lung Apparatus - Original Version - Y Connector - 2 balloons

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  • Shipping Cost (lower 48): $17.18
  • SKU: AMED4099
  • Asin: B0065815V4
  • Manufacturer Part #: 7-1203-12
  • Qty Available: 172
  • Shipped By: 4 days
  • Stock: In Stock

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Product Description

American Educational Products LLC has been supplying the highest quality classroom materials domestically and internationally for more than 70 years. With our creative in-house product development team, we are able to introduce new products on a yearly basis. Our products have helped teachers bring the joy of discovery, through hands-on and investigative learning styles, to generations of students. We are sincerely proud of our legacy and we promise to strive to meet the needs of present and future students as they prepare to become knowledgeable and successful world citizens.

Show how the lungs are emptied and filled with air by relaxation and contraction of the diaphragm muscle! The chest cavity is represented by a half-gallon plastic bell jar with open top and stout rubber sheet which acts as the diaphragm. As the diaphragm is pulled downward, the atmospheric pressure is lowered inside the chamber causing the lungs to expand, taking in air. When the diaphragm is released the lungs deflate.
American Educational Products have a lead ship time of 21 days.