Did you know that if you could take your skin off like a coat and spread it out, it would measure about 21 square feet – the size of an average bedroom? Thankfully, this is something that humans can’t do, because without our skin, we could not survive! It is the single most important human organ, and it protects our fragile insides from water, dust, and germs.
In Skin, kids will learn all about this indispensable feature of the human body and its many vital functions, including its incredible ability to regrow itself over and over again. But this issue is not just about skin itself: Kids will also get all the facts about how the hair and nails in which we take such pride and joy are actually varieties of dead skin
A cross-section of the complex structure of skin, for kids, comes next, and is followed by an explanation of what makes some skin light and others dark, resulting in more than 30 unique skin colors recognized by scientists. They’ll also get an overview of how national debates and political tensions based on skin color have affected human history, and end their exploration with a colorful section on the many varieties of animal skins, which can show up as feathers, scales, hooves, and fur.
7 Topics in this unit
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The Skin’s Many Jobs
An organ is a part of the body that does a specific job.
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Three Layers of Skin
Microscopic cells are the body’s building blocks. It takes about 100 trillion of the ...
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Skin and the Sense of Touch
Newborn babies are like little feeling machines. At the beginning, their brains don’ ...
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The Colors of Skin
Scientists can recognize more than 30 different skin colors, from almost black to pinkish ...
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Hair and Nails: Extensions of the Skin
When most people hear the word “hair,” we think of the stuff on our heads. But ...
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Skin Problems
The world’s most common skin ailment is acne vulgaris. Its symptoms are clogged pore ...
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Hides, Scales, and Other Animal Skins
Birds have feathers, and mammals have hair or fur. Scales are usually found on reptiles an ...
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