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How the Body Works

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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

    The heart is one strong muscle. Take a look at how it pumps blood around your body.

  • The Digestive System

    Did you know we start digesting food before we even eat it? Learn about the digestive system.

Healthy Weight

Kids come in all shapes and sizes. But what makes a healthy weight? Watch this movie and find out.

Body Q&A

The four major types of germs are bacteria, viruses, fungi, and protozoa.

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When mucus (or snot) in your nose, dirt, and other debris get dry and clump together, it’s called a booger. 

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The body makes pee as a way to get rid of waste and extra water that it doesn't need.

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