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Our Wonderful Body: The Heart and Its Work
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.
Release: 1968-01-01
Language: EN
Duration: 10 min
IMDB Rating:0.0
Genres: Documentary, ,
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