Search results
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Can You Use Two Condoms for Extra Protection? for Teens
Using two condoms actually offers less protection than using just one. Here's why.
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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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Male Reproductive System for Teens
What makes up a guy's reproductive system and how does it develop? Find the answers to these questions and more.
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Female Reproductive System for Teens
Why do girls get periods? What goes on when a woman gets pregnant? What can go wrong with the female reproductive system? Find the answers to these questions and more in this article for teens.
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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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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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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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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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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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Female Reproductive System (Slideshow) for Teens
This slideshow explains how the female reproductive system works.