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2) Piel
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Description
"Carefully leveled text and vibrant photographs introduce early readers to the structure and function of the skin. Includes picture glossary and index"--
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"An illuminating, entertaining tour of the physical imperfections--from faulty knees to junk DNA--that make us human. We humans like to think of ourselves as highly evolved creatures. But if we are supposedly evolution's greatest creation, why do we have such bad knees? Why do we catch head colds so often--two hundred times more often than a dog? How come our wrists have so many useless bones? Why is the vast majority of our genetic code pointless?...
14) Boogers and snot
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Description
Introduces the gross and amazing reasons our bodies makes boogers and snot, or mucus.
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"What happens in space that causes the body to change? Learn about life in space from astronauts Is the human body built for Mars? NASA's studies on the International Space Station show we need to fix a few things before sending people to the Red Planet. Astronauts go into space with good vision and come back needing eyeglasses. Cognition and DNA expression could be affected for years. And then there's the discomfort of living in a tight space with...
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