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Explains the circulatory system including the blood and vessels, such as arteries, veins, and capillaries. Includes the respiratory system and its functions.
National Geographic Society, c/o Educational Services, PO Box 98019, Washington, DC 20090, Phone: (202)857-7378, Toll-free: 800-627-5162, Fax: (202)857-7300, Email: info@nationalgeographic.com/foundation, URL: http://www.nationalgeographic.com/foundation
Available on VHS
Running time 17 minutes.
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