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  • Words to Know (Heart Glossary) for Kids


    Your heart beats and sends blood all around your body. Find out more about the heart, from A to Z, in this glossary.

  • Your Bones for Kids


    Where would you be without your bones? Learn more about the skeletal system in this article for kids.

  • What Are Arteries and Veins? for Kids


    Your body has a highway system all its own that sends blood to and from your body parts.

  • What's Blood? for Kids


    It swirls through your veins and arteries, but what is it really? Find out about blood in this article for kids.

  • Your Skin for Kids


    No matter how you think of it, your skin is very important. It covers and protects everything inside your body.

  • How the Body Works (Topic Center) for Kids


    The human body is an amazing machine. Learn more about it through movies, quizzes, articles, and more.

  • Why Exercise Is Wise for Kids


    Exercise can help keep a kid's body fit and healthy. Learn more about what exercise can do for you in this article for kids.

  • Your Endocrine System for Kids


    The endocrine system produces hormones, which are needed for proper body function and growth. Find out more in this article for kids.

  • Words to Know (Cancer Glossary) for Kids


    Check out our cancer glossary for lots of easy-to-read definitions.

  • What's Cholesterol? for Kids


    Chances are, you've heard about cholesterol a lot lately, but you might be wondering what it is. Here's your chance to get the lowdown in our article just for kids.