PE Update.com - Physical Education Lesson Plans, Activities, Games, Tips PE Update.com - Physical Education Lesson Plans, Activities, Games, Tips PE Update.com - Physical Education Lesson Plans, Activities, Games, Tips PE Update.com - Physical Education Lesson Plans, Activities, Games, Tips Physical Education Update
Pop Bottle Lung Model

Use a pop bottle, a balloon and a straw to make a model that shows how the diaphragm causes inhalation and exhalation. ... (to access this download, please log in below.)
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