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Heart and 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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Kidneys and Urinary Tract for Teens
The kidneys perform several functions that are essential to health, the most important of which are to filter blood and produce urine.
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Serious Allergic Reactions (Anaphylaxis) for Teens
A person with severe allergies can be at risk for a sudden, serious allergic reaction called anaphylaxis. This reaction can seem scary, but the good news is it can be treated.
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Comminuted Fractures for Teens
A comminuted fracture is a type of broken bone. The bone is broken into more than two pieces.
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Brain and Nervous System for Teens
If the brain is a central computer that controls all the functions of the body, then the nervous system is like a network that relays messages back and forth to different parts of the body. Find out how they work in this Body Basics article.
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Milk Allergy for Teens
Milk is in all kinds of foods, even things like baked goods. So what should a person who's allergic to milk do?
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5 Ways to Be Prepared for an Allergy Emergency for Teens
Quick action is essential during a serious allergic reaction. It helps to remind yourself of action steps so they become second nature if there's an emergency. Here's what to do.
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Knee Injury: Caroline's Story for Teens
Caroline loved sports. But when an ongoing knee injury kept her from playing the sports she loved, she discovered new interests. Read her story.
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Kidney Transplant for Teens
If the kidneys stop working, a person will need either dialysis or a transplant. Get the facts on kidney transplant in this article for teens.
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Mouth and Teeth for Teens
Did you know that your mouth is the first step in the body's digestive process? Or that the mouth and teeth are essential for speech? Learn about the many roles your mouth and teeth play.