科图分类法:	R331-49/1 版次：
中图分类法:	R331-49 版次：
著者:	Corcoran, Mary K.
题名:	The circulatory story / / ,
出版发行:	出版地： Watertown, MA : 出版社： Charlesbridge, 出版日期： [2010]
载体形态:	41, [1] p. : col. ill. ; 29 cm.
内容提要:	Your hardworking heart started beating eight months before you were born and continues to beat about one hundred thousand times a day. "By the time you're seventy years old, it will have beaten about 2.5 billion times." Find out the story behind each beat on a journey through the body's circulatory system.
主题词:	Blood Circulation
主题词:	Cardiovascular system Physiology
主要责任者:	Czekaj, Jef. Czekaj, Jef.
索书号:	R331-49/1