"Do you know what you're made of? The answer is cells--thirty trillion of them--all working together to form one awesome human being: you. The tiniest building blocks of life are crammed among the pages of this book, waiting to be discovered. From individual cells to complex systems, find out how your body moves, grows, breathes, senses, thinks, and feels. Get up close to see the human body like never before"--Page 4 of cover.
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