Our Wonderful Body: The Heart and Its Work
Our Wonderful Body: The Heart and Its Work
Our Wonderful Body: The Heart and Its Work en Cuevana. A young boy learns about his heart through the step-by-step construction of a simple circulatory system. He learns how his heart pumps, what blood and blood vessels do, how they do it, and some of the ways to help his heart stay healthy.
- Género: Documental
- País: United States
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