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        2-13+

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        Part of South Dakota Public Broadcasting
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        Images of the Past | The Respiratory System: Iron Lung

        During this lesson, your students will complete one or more activities in which they will learn about the surface area of their lungs, and how air moves in and out of the lungs during respiration. They will also gather data to understand how exercise affects respiration rate. Then they will learn about a medical device called the iron lung, which was used to treat many polio patients. Finally, they will understand the difference between negative and positive ventilation.

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