Book Summary:
Readers may be surprised to learn that one small drop of blood contains more than 5 million red blood cells, but they'll be amazed when they find out that if all of the arteries, veins, and capillaries in the body were stretched end to end, they would reach across the United States, not once, but 20,000 times! These and other interesting facts about the circulatory system are included in the informational book Book of Blood. Types of blood vessels, blood cells, and blood types also are explained. Photographs, illustrations, and a detailed diagram showing how blood is pumped through the heart help readers make meaningful connections with the text. |
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