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Your Nose for Kids
Your nose helps you breathe, smell, and taste. Find out how in this article for kids.
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Your Heart & Circulatory System for Teens
The heart and circulatory system (also called the cardiovascular system) make up the network that delivers blood to the body's tissues.
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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.
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Why Does Hair Turn Gray? for Kids
Can you imagine yourself with gray hair someday? Find out why it happens in this article for kids.
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Why Do I Have Pain? for Kids
When your body is injured in some way, your nerves send messages to your brain about what's going on. Your brain then makes you feel pain. Read our pain-free article for kids.
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What Does Exhale Mean? for Kids
Put one hand on your chest and take a deep breath . . . hold it!
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What Does Autoimmunity Mean? for Kids
Your immune system fights infections and illnesses. But sometimes the immune system makes a mistake and attacks part of the body. This is called autoimmunity.
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What Does Amputate Mean? for Kids
To amputate something is to remove something by cutting.
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What Does Gluteus Maximus Mean? for Kids
You don't have to look too far for this body part — you're sitting on it!
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What Does Sternutation Mean? for Kids
This is a long word for something that happens in a short time: sneezing!