Describes the need of the body cells for food and oxygen, for the disposal of waste products and for rest and excercise. Shows how blood returns from the capillaries to the heart through the venous system and how the chambers of the heart pump the blood through the arterial system to the capillaries.

We digitized and uploaded this film from the A/V Geeks 16mm Archive. Email us at footage@avgeeks.com if you have questions about the footage and are interested in using it in your project. Buy this film on DVD.

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