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Catch Your Breath: Build a Spirometer and Measure your Lung Capacity
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In this activity, learners will measure their lung capacity by making their own spirometer. Learners will then explore factors that affect the amount of air the lungs can hold.

Sounds of the Heart
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In this activity, learners will investigate the sounds of the heart.

Keeps on Pumpin': Your Heart
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In this activity, learners explore the great pump in their chests--the human heart!