Heart and Circulatory System
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Copyright
Registered 1Jan75 · MP30971 (Jan-Jun 1977) Copyright holder: Encyclopaedia Britannica Educational Corporation Production company: Media-Four Productions
Complete catalog record
Traces the scientific discoveries thaat have led to our current understanding of the circulatory system. By combining proper diet and regular excercise young people young people can reduce the risk of developing heart disease in later life.
Sources
- 16mm Filmography (legacy record) — title, year, catalog record
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — copyright
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