How much do you know about your lungs? Find out by taking this quiz!

You need teeth to talk and eat properly. From baby teeth to permanent teeth, find out all about them in this movie.

Medically reviewed by: Cynthia M. Zettler-Greeley, PhDThis link will open in a new window Learn About Nemours Children's Reading BrightStart!This link will open in a new window This is a general ...

Medically reviewed by: Yamini Durani, MDThis link will open in a new window Learn About Primary Care Pediatrics at Nemours Children's HealthThis link will open in a new window Some medicines ...

How much do you know about your heart? Find out by taking this quiz!

Medically reviewed by: Amy W. Anzilotti, MDThis link will open in a new window Learn About Genetics at Nemours Children's HealthThis link will open in a new window Genetic testing looks for changes in ...

Medically reviewed by: Larissa Hirsch, MDThis link will open in a new window Learn About Fetal Medicine at Nemours Children's HealthThis link will open in a new window In the 10th week of pregnancy, ...

You might go to the hospital if you fall off your bike and break your arm or if you have asthma and have trouble breathing. You might go to the hospital if you become dehydrated and need IV fluids or ...

Medically reviewed by: Larissa Hirsch, MDThis link will open in a new window Learn About Primary Care Pediatrics at Nemours Children's HealthThis link will open in a new window A jellyfish is a jiggly ...

Medically reviewed by: Loren Berman, MDThis link will open in a new window Learn About Primary Care Pediatrics at Nemours Children's HealthThis link will open in a new window Appendicitis ...

Watch our videos to learn more about health conditions, medical procedures and treatments, baby care, body basics, and much more.

Your body has a "highway" system that sends blood to and from your body parts. It's called the circulatory system and the roads are called arteries and veins. Arteries, which usually look red, carry ...