The circulatory system. 

 - Chicago :  World Book,  c2007. 
 - 48 p. :  col. ill ;  28 cm. 
 - World Book's human body works .
 - World Book's human body works. .
<br/><br/>Includes bibliographical references (p. 47) and index. 
<br/><br/> "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. 
<br/><br/><label>ISBN: </label>0716644274 9780716644279 
<br/><br/><label>LCCN: </label>2006014110 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cardiovascular system--Juvenile literature.<br/>Heart--Juvenile literature.
<br/><br/><label>LC Class. No.: </label>QP103  / .C57 2007 
<br/><br/><label>Dewey Class. No.: </label>612.1