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Under Pressure: Your Blood Pressure
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During this lesson, learners will determine their blood pressure and learn about systolic and diastolic pressures.
Slowing the Flow
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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.
Keeps on Pumpin': Your Heart
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In this activity, learners explore the great pump in their chests--the human heart!