Keeping fit
Subtitle: body systems
By: Carol Ballard.
Series: Do it yourself science
Publisher: Heinemann Library
Published: 2008
Place of publication: Chicago, Ill
Language: eng
Number of pages: 48
ISBN-13: 9781432910860; 9781432911027
Subjects: Physical fitness -- Juvenile literature; Exercise -- Physiological aspects -- Juvenile literature
Genres: Juvenile literature.
Notes: Includes bibliographical references (p. 46-47) and index.