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 ...

Medically reviewed by: Amy W. Anzilotti, MDThis link opens in a new tab Learn About Pediatric Neurology (Brain & Nervous System Care) at Nemours Children's HealthThis link opens in a new tab Chiari I ...

What’s Happening in My Body? Even though it’s called week 1 of your pregnancy, you’re not actually pregnant yet! This first week of pregnancy is your menstrual period, and the week before conception ...

Medically reviewed by: Larissa Hirsch, MDThis link opens in a new tab Learn About Primary Care Pediatrics at Nemours Children's HealthThis link opens in a new tab Doctors use certain milestones to ...

Medically reviewed by: Stephanie A. Deutsch, MDThis link opens in a new tab Learn About the Children's Advocacy Center of Delaware at Nemours Children's HealthThis link opens in a new tab Abusive head ...

Medically reviewed by: Larissa Hirsch, MDThis link opens in a new tab Learn About Cardiology (Heart Care) at Nemours Children's HealthThis link opens in a new tab The heart is an organ that’s a pump, ...

¿Qué ocurre después del procedimiento de Norwood? Los niños que se han sometido a un procedimiento de Norwood suelen pasar de 3 a 4 semanas en el hospital para recuperarse. Reciben supervisión y ...

What Is Coarctation of the Aorta? Coarctation of the aorta (COA) is a narrowing of the aorta, the major blood vessel that carries blood away from the heart to the body. This narrowing causes the left ...

Strep throat is a disease caused by a tiny ball-shaped type of bacteria (say: bak-TEER-ee-uh) called group A strep. If a kid has strep throat, the doctor will give them medicine called an antibiotic ...

The roller coaster hesitates for a split second at the peak of its steep track after a long, slow climb. You know what's about to happen — and there's no way to avoid it now. It's time to hang onto ...

Medically reviewed by: Larissa Hirsch, MDThis link opens in a new tab Learn About Ophthalmology (Eye Care) at Nemours Children's HealthThis link opens in a new tab A tear duct is a small tube that ...

Medically reviewed by: Lonna P. Gordon, MDThis link opens in a new tab Learn About Adolescent Medicine & Pediatric Gynecology at Nemours Children's HealthThis link opens in a new tab To help protect ...