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Human body

Mason, Paul, 1967-2020
Books, Manuscripts
Learn about the human body through facts focused on percentages. Did you know blood is made of 55% plasma and 45% blood cells? Together they make 100% blood. Or that 65% of the body is water? Lungs, the brain, muscles, senses are some of the topics covered in this exciting new way of exploring how our body works.
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