The temporomandibular joint (TMJ) connects the lower jaw to the skull. You can feel your two TM joints and their movement by placing your fingers directly in front of your ears and opening your mouth.

From enjoying the great outdoors to playing sports safely, here's how to protect yourself and deal with emergencies.

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 ...

What Is a VP Shunt? A ventriculoperitoneal (VP) shunt is a thin plastic tube that helps drain extra cerebrospinal fluid (CSF) from the brain. CSF is the saltwater that surrounds and cushions the brain ...

Testicular torsion is an emergency condition. It happens when the spermatic cord, which provides blood flow to the testicle, rotates and becomes twisted. The twisting cuts off the testicle's blood ...

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 ...

Did you know you have more than 600 muscles in your body? They do everything from pumping blood throughout your body to helping you lift your heavy backpack. You control some of your muscles, while ...

Toddlers are learning to navigate their world, communicate, and control some parts of their lives. They don't actually have control over much, but eating is one of the first areas where they will.

Beta Cells (BAY-tuh sells): Beta cells make insulin, a hormone that controls the level of glucose (a type of sugar) in the blood. Beta cells are found in the pancreas. In type 1 diabetes, the immune ...

What Is a Perforated Eardrum? A perforated eardrum is a tear or hole in the ear's tympanic membrane (the eardrum). A perforated (PER-fer-ate-id) eardrum can hurt, but most heal in a few days to weeks.

A person also can get infected if they touch poop with the bacteria in it and then get it in their mouth. This can happen from swimming in or drinking contaminated water or by touching an infected pet ...

Kids are more successful in school when parents take an active interest in their homework — it shows kids that what they do is important. Of course, helping with homework shouldn't mean spending hours ...