El Corazon Y Sistema Circulatorio

Year Published: 1968

Format: 16mm

Sound: sound

Description: Spanish version of the 'THE HEART AND CIRCULATORY SYSTEM.' Compares the interdependent functions of human cells to the functioning of an internal combustion engine. Explains that all cells are served by a common system, the bloodstream, demonstrates a machine developed at the Moody Science Institute which activates the valves of a human heart.

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