TY  - BOOK
AU  - Walker,Richard
TI  - The heart in action
T2  - Body Science
SN  - 0749651350
U1  - 612.1 22
PY  - 2004///
CY  - London
PB  - Watts
KW  - Blood
KW  - Circulation
KW  - Juvenile literature
KW  - sears
KW  - Heart
N1  - Includes index
ER  -