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 ...

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

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.

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 ...

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.

It’s normal for people to masturbate. Some people do it to relieve stress or tension. It’s nothing to be ashamed of or embarrassed about.

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 ...

Many kids get middle ear infections (otitis media). Doctors may suggest ear tube surgery for those with multiple infections or a hearing loss or speech delay.