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The Pulse of Gravity
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In this astronomy activity (page 3 of the PDF), learners will examine the effects of gravity on a person’s pulse and explore how gravity can differ from planet to planet.
Pulse of Life: Measure Your Pulse
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In this activity, learners take their own pulse and explore how heart rate is affected by various activities.
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.