From enjoying the great outdoors to playing sports safely, here's how to protect yourself and deal with emergencies.

Sometimes you need help to stay healthy! Learn about going to the hospital, what a dentist does, how stitches help, and more.

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 ...

The male reproductive system is made up of the parts inside and outside the body that help a male make a baby. Both the male and female reproductive system are needed for this. The male reproductive ...

What's the Urinary System (Urinary Tract)? The urinary system (also called the urinary tract) is one of the systems our bodies use to get rid of waste products. The kidneys are the part of the urinary ...

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 ...

What Does the Immune System Do? If you've ever wondered how your immune system works, this movie is for you!

What Is the Endocrine System? The endocrine system is made up of glands that make hormones. Hormones are the body's chemical messengers. They carry information and instructions from one set of cells ...

We see and hear about hearts everywhere. A long time ago, people even thought that their emotions came from their hearts, maybe because the heart beats faster when a person is scared or excited. Now ...

What Is Seasonal Affective Disorder (SAD)? Seasonal affective disorder (SAD) is depression that happens only at a certain time of year. With SAD, kids and teens tend to become depressed in fall or ...

How much do you know about the urinary system, which makes pee? Find out by taking this quiz!

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 ...