How do your muscles work? Why does your heart beat? How do scabs form on your wounds? How do our ears help us to keep our balance? Uncover the answers to these secrets of the human body in this... This description may be from another edition of this product.
I bought this book for educational purposes for my Granddaughter. I recieved this book and only one puzzle was in it out of 5, I expected it to be a used book but not missing 4 complete puzzles. Needless to say I was very disappointed.
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