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    New York Hall of Science
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    This is an activity about lung capacity. Learners will measure their own lung capacity using a homemade spirometer. A spirometer is an apparatus for measuring the volume of air inspired and expired...

    1 cent - $1 per student Ages 6 - 18 10 to 30 minutes
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    NASA
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    In this activity about the brain and sleep (on page 138 of the PDF), learners measure their resting breathing rates. Learners will discover that breathing frequencies vary amongst individuals. This...

    1 cent - $1 per group Ages 8 - 18 45 to 60 minutes
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    Science Museum of Minnesota
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    In this activity, learners act out the flow of blood in the human body! A great way to get learners up and moving while learning about the circulatory system. Requires at least 15 people to...

    1 cent - $1 per group Ages 6 - 14 30 to 45 minutes
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    BioEd
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    In this environmental health activity, learners investigate their breathing and pulse rates, and learn how these measurements are affected by physical activity. There are three parts to this...

    1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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    NASA
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    In this activity (on page 142 of the PDF), learners will compare breathing rates before and after hyperventilation to explore how reduced carbon dioxide levels in the blood lower the need to...

    1 cent - $1 per group Ages 8 - 18 45 to 60 minutes
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    Science Museum of Minnesota
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    By building a model of a lung and diaphragm, learners discover the function of various parts of the body's respiratory system. The model uses common items - a plastic bottle, a balloon, and a...

    1 cent - $1 per student Ages 8 - 18 45 to 60 minutes
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    NSBRI
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    In this activity, learners work in teams to construct human lung models from small plastic beverage bottles and balloons. Learners use the models to investigate how movements of the diaphragm cause...

    1 cent - $1 per student Ages 8 - 14 30 to 45 minutes