Person Creates Working Model of Lungs With Plastic Bottle and Balloons

This person created a working model of human lungs with the use of a plastic bottle, straw, and balloons. They cut the bottle into half, attached two balloons two straws, and packed this all inside the bottle with a stretched-out balloon, sealed with tape. The stretched-out balloon mimicked the action of a diaphragm and made the model functional.

*The underlying music rights are not available for licensing. For use of the video with the track(s) therein, pls contact the music publisher(s) or relevant rightholder(s)*