Human Biology

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Gareth Stevens, 2002 - Juvenile Nonfiction - 32 pages
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How much do you really know about how your body works? For example, did you know that your powerful brain is about the size of a grapefruit, and that you breathe in about 23,000 times a day? Find out all about what the body's made of and how it works in Human Biology.

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Contents

Section 1
2
Section 2
4
Section 3
6
Copyright

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