Description
Spare diaphragm for Lung Demo. Model, Product Code 0812.
suitable for KS3+. A first hand view of how the lungs work! This simple, yet effective apparatus consists of two sacs which represent the lungs, a rubber membrane which serves as the diaphragm and a clear plastic enclosure which models the chest cavity. By making the diaphragm relax and contract the students can see how the lungs are emptied and filled with air. Size: 16.5cm (D) x 33cm (H).
Please note: The balloons and diaphragm on this apparatus are made of natural rubber – as such it is liable to degrade over time and need replacing. If rubber is exposed to light and/or heat it will degrade faster. It should be stored in a cool, dry, dark environment in between use. Even then it will gradually degrade and crack with time Adding a little talcum powder to the rubber will also help prolong its life.
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