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Model of howLung/Diaphragm model

Model of howLung/Diaphragm model

Model of howLung/Diaphragm model

You pull on the lower balloon and the one inside the bottle expands. It’s brilliant

Posted by Lena LeRay on 2013-10-10 05:55:29

Tagged: , diaphragm , lung , model , health , education

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