Johnson, Rebecca L. creator National Geographic Society (U.S.) text bibliography dcu Mumbai Popular Prakashan c2004 2004 monographic eng

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32p. col. ill. 23cm. (pbk) Overview of the respiratory and circulatory systems, with an explanation of how these systems bring oxygen to the body's cells and carry wastes away. Explores the major parts of each system and describes how scientists are working to find replacements for what fails or wears out. juvenile by Rebecca L. Johnson Originally published by National Geographic under reading expeditions series Includes bibliographical references (p. 30) and index. Cardiopulmonary system Juvenile literature Cardiovascular system Juvenile literature Lungs Juvenile literature Heart Juvenile literature Blood Circulation Juvenile literature 612.1 9788179913062 B-330276-289 Publisher dpl 041027 20090121141037.0 English