How Do Lungs Work? Make A Model Lung - Science Sparks
https://www.science-sparks.com/breathing-making-a-fake-lung/
This lung model demonstrates how the lungs work. Air is taken in through the mouth and nose, passes down the windpipe and into the lungs. The diaphragm at the bottom of our chest moves down to create more space. As we breathe out the diaphragm raises again. The knotted balloon represents the … See more 1. A plastic bottle 2. A straw 3. An elastic band
1. A plastic bottle
2. A straw
3. An elastic band
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