The circulatory system.
- Chicago : World Book, c2007.
- 48 p. : ill. ; 27 cm.
- World Book's human body works. .
Includes bibliographical references and index.
"An introduction to the circulatory system of the human body--one of six volumes in a set titled WORLD BOOK'S HUMAN BODY WORKS. Includes illustrations, glossary, resource list, and index"--Provided by publisher.