TY - BOOK AU - Simon,Seymour TI - The Heart: Our Circulatiory System SN - 0-688-11407-5 PY - 1996/// CY - New York PB - Morrow Junior Books KW - Heart KW - Human Body KW - Circulatory System KW - Health KW - Physiology N2 - Describes the heart, blood, and other parts of the body's circulatory system and explains how each component functions ER -