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This experiment is designed to illustrate how fluids, including water, have the ability to flow.

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.

Learners will construct a model of a heart valve using a film canister, a piece of masking tape, and a piece of paper.

In this activity, learners take their own pulse and explore how heart rate is affected by various activities.

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