Medically reviewed by: Mary L. Gavin, MDThis link will open in a new window Learn About Nutrition at Nemours Children's HealthThis link will open in a new window Food safety means knowing how to buy, ...

Medically reviewed by: Mary L. Gavin, MDThis link will open in a new window Learn About Behavioral Health (Psychology and Psychiatry) at Nemours Children's HealthThis link will open in a new window ...

What's the Urinary System? And What's Pee? You drink, you pee. But urine is more than just that drink you had a few hours ago. If you've ever wondered where pee comes from, this movie has the answers!

Medically reviewed by: KidsHealth Medical ExpertsThis link will open in a new window Learn About Fetal Medicine at Nemours Children's HealthThis link will open in a new window Many women who have had ...

Protein builds, maintains, and replaces the tissues in your body. (Not the tissues you blow your nose in! We mean the stuff your body's made up of.) Your muscles, your organs, and your immune system ...

Medically reviewed by: Thinh Phu Nguyen, MDThis link will open in a new window Learn About Fetal Medicine at Nemours Children's HealthThis link will open in a new window Many things can cause a baby ...

Sexually transmitted diseases (STDs) are infections spread from person to person during sex (vaginal, oral, or anal) or close sexual contact. STDs are also called sexually transmitted infections, or ...

Girls have lots of questions about the body changes of puberty, especially about breasts and first periods. Watch this video to get some answers!

Medically reviewed by: Margaux J. Barnes, PhDThis link will open in a new window Learn About Behavioral Health (Psychology and Psychiatry) at Nemours Children's HealthThis link will open in a new ...

Medically reviewed by: KidsHealth Medical ExpertsThis link will open in a new window Learn About Primary Care Pediatrics at Nemours Children's HealthThis link will open in a new window We see and hear ...

Medically reviewed by: Larissa Hirsch, MDThis link will open in a new window Learn About Cardiology (Heart Care) at Nemours Children's HealthThis link will open in a new window The heart is an organ ...

When you were little, did you ever run away? Maybe you packed up your backpack and made it down the driveway or around the corner to your friend's backyard. But after a little while, you forgot why ...