TY - BOOK AU - Walker, Richard TI - Heart : : how the blood gets around the body T2 - Under the microscope series SN - 0717292681 U1 - 612 PY - 1998/// CY - Danbury, Connecticut PB - Grolier, KW - Human physiology KW - Juvenile literature KW - Human anatomy KW - Body, human N1 - Includes bibliographical references and index ER -