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.

Coughing is a healthy reflex that helps clear the airways. A severe cough or one that lasts more than a week requires a medical checkup. But many coughs are caused by a virus that just needs to run ...

The male reproductive system is made up of the parts inside and outside a male’s body that help make a baby. Learn about them and how they work.

By teaching kids how to enjoy fun in the sun safely, parents can reduce their risk for developing skin cancer.

Take this quiz about the urinary system, the system that produces pee.

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.

New parents spend a lot of time changing diapers — babies may use 10 diapers a day or more! Diaper changing might seem complicated at first. But with a little practice, you'll find that keeping your ...

Fainting is a loss of consciousness that can be caused by many things. Here's what to do if your child faints or is about to faint.

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.

What Are the Lungs and Respiratory System? The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out ...

The heart and circulatory system (also called the cardiovascular system) make up the network that delivers blood to the body's tissues.

What Is the Thyroid? The thyroid (say: THYE-royd) is a gland, which is an organ that makes special chemicals called hormones (say: HOR-moans). The thyroid is shaped like a little butterfly or bow tie ...