Heart and Circulation

About

Classic educational film on the workings of the circulatory system.

Archive

Internet Archive, in Prelinger Archives

Licence or status

Public domain (Creative Commons dedication), as the Internet Archive states it.

Credit

ERPI Classroom Films, Inc.

Country

United States

Subtitles

Automatic captions

Who can watch

The archive gives no rating. Invisible Network shows it to Tweens profiles and older, judged from its collection and subjects. How films are placed