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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 activity about the heart (on page 22 of the PDF), learners examine sheep or chicken hearts to learn about the heart's structure and the flow of blood through the heart.

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 will investigate the sounds of the heart.