How the Body Works (Topic Center)
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The Immune System
Watch how the immune system fends off germs and learn what to do to boost its power.
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Heart & Circulatory System
The heart is one strong muscle. Take a look at how it pumps blood around the body.
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The Digestive System
We start digesting food even before we eat it! Learn more facts about the digestive system.
Explore the Body
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Bones & Muscles
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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.
Note: All information is for educational purposes only. For specific medical advice,
diagnoses, and treatment, consult your doctor.
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