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Children's LiteratureThe essential functions of the circulatory system are explained in this title from the "Early Bird Body Systems" series. The circulatory system's basic structure of the heart, blood, and blood vessels is described first, as well as how all things in the body are made of cells. Next is a detailed description of the heart's structure and how blood is pumped in and out of the heart, purifying it in the process. The blood vessels are then examined closely, including identifying the difference between arteries, veins, and capillaries. Blood itself is then described, from the red blood cells that carry oxygen to the white blood cells which aid in healing. Numerous diagrams and photographs illustrate the complex concepts presented in this book, making it very easy to understand. Study aids such as a "word detective" section, a glossary, and a "Note to Adults" also add to the learning experience. 2005, Lerner Publications, Ages 8 to 12.
—Amie Rose Rotruck