The digestive process starts even before the first bite of food. Find out more about the digestive system and how our bodies break down and absorb the food we eat.

The nose, throat, and lungs are just a few parts of the body that make up the respiratory system. They work together to bring oxygen into the body and take carbon dioxide (a waste product) out.

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 ...

These bacterial infections can cause diarrhea, cramping, belly pain, and fever. Good hand-washing and food safety habits can help prevent them.

A VP shunt is a small plastic tube that helps drain extra cerebrospinal fluid from the brain. Most VP shunts are placed to treat hydrocephalus.

Most spider bites cause mild reactions, but some can cause serious illness or allergic reactions. Here's what to do if you think your child was bitten by a spider.

What Is Developmental Dysplasia of the Hip? Developmental dysplasia of the hip (DDH) is a problem with the way a baby's hip joint forms. Sometimes the condition starts before the baby is born, and ...

Ever wonder how your eyes work? This article for kids takes you from the pupil to the retina and beyond.

Occupational therapy can help improve kids' cognitive, physical, and motor skills and build their self-esteem and sense of accomplishment.

Easy bruising and excessive bleeding can be signs of Von Willebrand disease, a genetic disorder that affects blood's ability to clot.

What Are Head Lice? Head lice are tiny wingless insects. They live among human hairs and feed on blood from the scalp. Head lice are a common problem, especially for kids. They spread easily from ...

Atrial septal defect (ASD) — also known as a "hole in the heart" — is a type of congenital heart defect. Most ASDs are diagnosed and treated successfully.