Heart and Circulation 4.0 from 0 reviews
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Portrays how heart and blood vessels circulate blood; reveals factors affecting heart rate, blood flow from severed artery, and effect of severing cervical nerve.

Encyclopedia Britannica, 331 N. LaSalle St., Chicago, IL 60610, Phone: (312)347-7159, Toll-free: 800-323-1229, Fax: (312)294-2104, URL:

Available on Running time 10 minutes.

Cast and Crew

Encyclopedia Britannica Educational Corporation, Anton J. Carlson

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