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How the Body Works (Topic Center)

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How the Body Works

How much do you know about the human body? Take a tour of its amazing parts with Chloe and Nurb!
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How the Body Works

Learn more about your body parts with these articles — perfect for school assignments!
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How the Body Works

Test your body knowledge with our quizzes.
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How the Body Works

How many hairs are on your head? What's your favorite flavor? Learn more about the body with these fun activities.
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The Immune System

Watch how your immune system fends off germs and learn what you can do to boost its power.
Heart & Circulatory System