Ballard, Carol. The heart and circulatory system / [electronic resource] / Carol Ballard.. — Austin, Tex. : : Raintree Steck-Vaughn,, c1997.. — 48 p. : : col. ill. ; 28 cm. — (The human body). - Human body (Austin, Tex.) .
Includes bibliographical references (p. 47) and index.
Анотація: Describes the parts of the circulatory system and how they function.