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Learners will build a lung model to understand how their lungs and diaphragm work to make them breathe.

In this version of tag, a large group of learners model how the body fights infection. Learners act as germs, as lymphocytes, and as the body's cells threatened by germs.

In this physical activity, groups of learners act as blood cells traveling through the circulatory system.

Doctors often send a sample of blood to a lab, to make sure their patients are healthy.