The Circulatory System
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Introduction
Parts of the Circulatory System
The Heart
Blood
Blood Vessels
Lymph Nodes and Vessels
Diseases and Disorders
Links
Bibliography
Parts of the Circulatory System!
The circulatory system consists of three main parts: the heart, the blood, and the blood vessels. Each structure plays a key role in the overall function of the system.
http://agingresearch.buffalo.edu/chf/general.htm