TY - BOOK AU - Walker,Richard TI - Heart : : how the blood gets around the body T2 - Under the microscope SN - 0717292681 U1 - 612 23 PY - 1998/// CY - Danbury, Connecticut : PB - Grolier Educational , KW - Human physiology - Juvenile literature. ; Human anatomy - Juvenile literature. ; Body, Human - Juvenile literature ER -