Double Lung Apparatus - Plastic

This apparatus with two balloons simulating the lungs demonstrates how breathing works.
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You can feel your lungs moving in your chest every time you take a breath, but it might be hard to imagine what they look like and how they actually work. Imagine no longer, as the Plastic Lung Apparatus with Two Balloons provides a visual demonstration of how the lungs work.

Show how the lungs are emptied and filled with air by relaxation and contraction of the diaphragm muscle! Two balloons attached to a Y-tube simulate the lungs as the chest cavity is represented by a half-gallon plastic bell jar with an open top and stout rubber sheet which acts as a 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.

Age: 9 +

What You Get

  • Lung Apparatus Plastic with Two Balloons
  • 21cm x 21cm x 21cm
  • Lesson Plan


  • Respiratory System
  • Human Biology
  • Inhalation & Exhalation
More Information
Length (cm) 26
Width (cm) 26
Height (cm) 28
UPC 795721148512
Age Group 9-10 Years, 11-12 Years, 12+ Years
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