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In this activity, learners use plastic tubing and a funnel to listen to their heart. Learners also discover that if they run around, their heart pumps harder and faster, making it easier to hear.

This is a demonstration you can use to show learners how valves and pumps work in concert to move blood through the circulatory system.

In this health activity, learners create a device so that they not only feel their heartbeat, but also see it, using a straw and some clay.