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Complex Circulatory System (God's Wondrous Machine)
Complex Circulatory System - God's Wondrous Machine Author:Lainna Callentine The third book in the popular elementary anatomy series God and #180;s Wondrous Machine, focuses on the heart, blood, and blood vessels that make up the body and #180;s circulatory system. Understanding the mechanics of this system in transporting nutrients, blood, chemicals, and more to cells within the body is key to understanding how it helps... more » to fight disease as well as maintain a properly balanced temperature.« less