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During this lesson, learners will determine their blood pressure and learn about systolic and diastolic pressures.

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

In this experiment, pairs of learners explore how cold water affects circulation. The mammalian diving reflex (MDR) slows circulation when the body is exposed to cold water.

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.

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

In this activity, learners explore the great pump in their chests--the human heart!