Avraham, Regina. <br/><br/>
The circulatory system / 
Regina Avraham ; introduction by C. Everett Koop. 
 - New York :  Chelsea House Publishers,  c1989. 
 - 110 p. :  ill. 
 - The Encyclopedia of health .
<br/><br/> Describes the organs of the circulatory system and their function. Also discusses heart problems and how they may be avoided. 
<br/><br/><label>ISBN: </label>0791000133 
<br/><br/><label>LCCN: </label>90074190     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cardiovascular system--Juvenile literature.<br/>Circulatory system.