TY  - BOOK
AU  - Simon,Seymour
TI  - The heart: our circulatory system 
AV  - QP111 .H437 1996
PY  - 1996///
CY  - New York
PB  - Morrow Junior Books
KW  - Heart
KW  - Physiology
KW  - Juvenile literature
KW  - Cardiovascular system
N1  - 2
N2  - Describes the heart, blood, and other parts of the body's circulatory system and explains how each component functions
ER  -