Water safety is important at any age, but especially if you have babies or toddlers. Here's how to reduce drowning risks.

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.

The male reproductive system is made up of the parts inside and outside a male’s body that help make a baby. Learn about them and how they work.

Coughing is a healthy reflex that helps clear the airways. A severe cough or one that lasts more than a week requires a medical checkup. But many coughs are caused by a virus that just needs to run ...

Before having sex, it’s important to know about birth control and protecting against unplanned pregnancy and sexually transmitted diseases (STDs).

Kids with Down syndrome may have medical problems and trouble learning. But many can go to regular schools, make friends, enjoy life, and get jobs when they're older.

What Does the Heart Do? The heart is a pump, usually beating about 60 to 100 times per minute. With each heartbeat, the heart sends blood throughout our bodies, carrying oxygen to every cell. After ...

What Is an Umbilical Hernia? An umbilical hernia happens when part of a child's intestines bulges through the abdominal wall inside the belly button. It shows up as a bump under the belly button. The ...

Take this quiz about the urinary system, the system that produces pee.

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 ...

Nosebleeds are common in kids and usually aren't serious. Most stop on their own and can be cared for at home. Nosebleeds happen more often in winter and when the air is dry. Stay calm and reassure ...

What makes up a guy's reproductive system and how does it develop? Find the answers to these questions and more.