Emily was adopted from Russia, where she was born with a type of dwarfism. In this video, she talks about how she handles the challenge of being smaller than most people.

A blood test might sound scary, but it usually takes less than a minute. Watch what happens in this video for kids.

A CAT scan or CT scan is a painless procedure that takes detailed pictures of the inside of your body. Watch how an abdominal CAT scan is done in this video for kids.

A spirometry test is as easy as blowing out birthday candles. Watch how the test is done in this video for kids.

The test for strep throat doesn't hurt, but it might make you gag a little. Watch how it's done in this video for kids.

If your doctor wants a urine sample, he or she means pee. It's easy to give a sample. Watch how this test is done in this video for kids.

Getting an EKG doesn't hurt and it gives doctors important info about how your heart is beating. Watch what happens in this video for kids.

Getting an IV means getting medicine through a vein. Watch how it's done in this video for kids.

An upper GI is a test that shows doctors how food is moving through your digestive system. Watch how the test is done in this video for kids.

You'll get an X-ray if your doctor thinks you might have a broken bone. Find out how X-rays are done in this video for kids.

Watch the Nails Movie! Chloe & Nurb will take you to the nail root to find out where nails come from and what they're made of.

Chloe and the Nurb sing about teeth and all they do for you - talking and eating, just to name a few!

Nurb and Chloe explain what goes on inside your ears so you can hear. Watch the How the Body Works movie!

Chloe and the Nurb take you on a tour of the eyes and how seeing happens. Watch this How the Body Works movie!

See how the joints work.

Watch this movie about the respiratory system, the system that enables you to breathe.

It's almost everywhere on your body, but what is hair, exactly? Chloe & the Nurb explain it all in this How the Body Works movie!

Watch this movie about your nervous system, starring your brain.

Watch this movie about your digestive system, the system that handles the food you eat.

Watch this movie about your endocrine system, the system that produces hormones.

Watch this movie about your heart and circulatory system, which sends blood throughout your body.

Watch this movie about your immune system - the system that keeps you healthy.

Watch this movie about the muscular system.

Chloe and Nurb know the nose. They'll take you inside to explain breathing, smelling and, of course, boogers. Watch the Nose Movie!

Watch a movie about your bones.

Go below the surface of the skin with Chloe and the Nurb. They'll show you skin cells, sweat, and more!

Your tongue helps you talk, taste, and digest your food. Chloe and the Nurb take you on a tasteful tour in the Tongue Movie!

Watch this movie about the urinary system, which produces pee.

From your sniffing nose to your wiggling toes, these 18 movies explain how the body works!

Meet Steven. He's 14 and has spinal muscular atrophy. He shares his struggles and successes in this video.

To find out what happens in diabetes, watch this video.

Take a look inside a person's lungs when asthma is making it hard to breathe.