Lung Demo Model in a Bell Jar
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Product Code : SCL-AM-12598
Quick Answer: The Lung Demo Model in a Bell Jar shows how the lungs fill with and empty of air through the contraction and relaxation of the diaphragm, using two balloons on a Y-tube inside a bell jar.
Last updated: October 2026
Key Features
- Two balloons attached to a Y-tube represent the lungs
- Bell jar with an open top represents the chest cavity
- Stout latex rubber sheet acts as the diaphragm
- Dimensions: 200 mm x 200 mm x 360 mm
- Contains latex
Technical Specifications
| Specification | Value |
|---|---|
| Dimensions | 200 mm x 200 mm x 360 mm |
| Lungs | Two balloons on a Y-tube |
| Diaphragm | Latex rubber sheet |
| Chest cavity | Bell jar with open top |
About This Product
This simple model demonstrates how the lungs work. When the rubber diaphragm is pulled downward, the pressure inside the bell jar falls and the balloons expand and take in air; when the diaphragm is released, the balloons deflate. For export orders, the Lung Demo Model in a Bell Jar can be supplied to Bolivia, Djibouti, South Korea, Japan and Bangladesh.
Frequently Asked Questions
How does the bell jar lung model work?
Pulling the rubber sheet downward lowers the pressure inside the jar, so the balloon lungs expand and take in air. Releasing the sheet lets the balloons deflate.
Does the model contain latex?
Yes, the product contains latex.
Related: Anatomy Models, Human Lung Model, Respiratory System Model, Lung Demonstration Model.
For a quotation on the Lung Demo Model in a Bell Jar, contact School Lab China.
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