Where would you be without your bones? Learn more about the skeletal system in this article for kids.
The digestive system breaks down the food you eat. Learn how in this article for kids.
The endocrine system produces hormones, which are needed for proper body function and growth. Find out more in this article for kids.
Ever wonder how your eyes work? This article for kids takes you from the pupil to the retina and beyond.
Having a bad hair day? Find out all about hair in this article for kids.
Your heart is a hard-working muscle. Find out more in this article for kids.
The immune system keeps you healthy. How does it work? Find out in this article for kids.
You need at least one kidney to live. Find out why in this article for kids.
Your liver cleans your blood and plays an important part in digestion. Find out more in this article for kids.
What's something kids are doing all day, every day? Breathing! Your lungs are large and in charge of breathing, so read all about them in this article.
You have more than 600 muscles in your body! They do everything from pumping blood throughout your body to helping you lifting your heavy backpack. Find out more.
No matter how you think of it, your skin is very important. It covers and protects everything inside your body.
You pee every day, but what makes it happen? Find out in this article for kids about the urinary system.
Do you know someone who has - or had - breast cancer? Find out more in this article for kids.
Chemotherapy is a big word for treatment with medicines used to help people who have cancer. This medicine kills the cancer cells that are making the person sick.
When kids get cancer, it can often be treated and cured. Find out more in this article for kids.
What does it mean when a kid has anemia? Learn about anemia, why kids get it, and how it's treated in our article for kids.
It's fun to be outside on a hot, sunny day. But too much sun and heat can make you feel terrible. Find out how to stay safe in this article for kids.
Surgeries and operations happen in the operating room, sometimes called the OR. Find out more in this article for kids.
You've taken medicine before. But what is it?
It may seem scary to go to a hospital, but doctors and nurses are there to help people who are sick or hurt feel better. Read our article for kids to find out what happens inside a hospital.
Everyone gets angry sometimes. Does your temper ever get out of control? Find out how to put a leash on it.
Sometimes you need a medical test to give your doctor more information about your health. Find out how 10 common tests are done in these videos for kids.
A spinal tap is an important test for diagnosing illnesses, such as meningitis.
Like an X-ray, an ultrasound is a way of looking at what's going on inside a person's body.
Amanda's life changed dramatically when she was diagnosed with Hodgkin's disease. Find out more in this article for kids.
Check out our cancer glossary for lots of easy-to-read definitions.