The Circulatory System
Two Hearts That Beat as OneStreaming Video - 2005
This program describes the structure and functioning of the heart. It analyzes the three basic components of the heart-muscle, valves, and pacemaker-and shows how each one contributes to the proper functioning of the organ as a whole.
Publisher: New York, N.Y. : Films Media Group, 
Copyright Date: ©1984
Branch Call Number: EVIDEO ACCESSVID
Characteristics: 1 streaming video file (28 min.) : sound, color, digital file + instructional materials (online)