What Are the Lungs and Respiratory System? The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out ...

The nose, throat, and lungs are just a few parts of the body that make up the respiratory system. They work together to bring oxygen into the body and take carbon dioxide (a waste product) out.

Ever wonder how your eyes work? This article for kids takes you from the pupil to the retina and beyond.

Your brain is the boss of your body and runs the whole show. Learn more in this article for kids.

Your heart is a hard-working muscle. Find out more in this article for kids.

Choking can be a life-threatening emergency. Follow these steps if your child is choking.

How Does the Digestive System Work? So there you are, sitting at lunch, enjoying some grilled-chicken pizza and a few orange wedges. When you're finished, you take a last drink of milk, wipe your ...

You can help prevent frostbite in cold weather by dressing kids in layers, making sure they come indoors at regular intervals, and watching for frostnip, frostbite's early warning signal.

When you go to the doctor for a checkup, it's because your parents and your doctor want to see that you're growing just the way you should. Read all about what happens at the doctor's office.

Take care of yourself and your growing family by getting the advice that all new parents and parents-to-be need. Read about babyproofing your home, staying healthy during pregnancy, coping with colic, ...

Skin, hair, and nails are made of similar types of cells. They form the outer layer of the body, called the integumentary (in-teh-gyoo-MEN-tah-ree) system. It protects everything inside the body. What ...

Adenoids trap germs, so sometimes they swell while fighting an infection. If they get infected, tonsils and adenoids might be removed in a surgery at the same time.