Your Circulatory System [Library Binding]

Conrad J. Storad 著

出版社：Lerner Publications

出版时间：2012-08

ISBN：9780761374473

词汇量：2104

页数：40

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虚构：非虚构

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内容简介

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? Explore the circulatory system in this engaging and informative book.

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