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How Your Body Works: A Good Look Inside Your Insides (Amaze)
How Your Body Works A Good Look Inside Your Insides - Amaze Author:David Stewart How does a caterpillar become a butterfly or a gray whale find its way home on the world's longest journey from breeding to feeding territory? You'll be amazed at the feats that come naturally to these living things. But don't just take our word for it. See if you can figure out how they do it!