本の詳細
形式
電子書籍
ページ数
44
言語
英語
公開されました
Jan 1, 2012
出版社
Lerner Publications
ISBN-10
1322068402
ISBN-13
9781322068404
説明
The circulatory system is made up of the heart, the blood, and strong tubes called blood vessels. But what does the circulatory system do? And how do its parts work together to keep your body healthy?