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Build a working Model of Lung

By Pakistan Science club in DoScience! 972 views 19th Jan, 2018 Video Duration: 00:03:31
Build A working Model of Lung Materials: Straw, Balloons, Transparent Plastic glass, rubber band, scissors Science of this Lung model project: In this lung model, the straws represent trachea and bronchial tubes, the balloons represent your lungs, the glass is chest, and the plastic sheet or balloon is diaphragm – a sheet of muscles under chest. When we breathe in, or inhale, our diaphragm contracts and moves down, creating more space in chest for lungs to fill with air. When we exhale (breathe out), our diaphragm relaxes back up. The space inside chest gets smaller forcing the air out of our lungs.

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