What Is a Growth Plate? Growth plates are the areas of new bone growth in children and teens. They're made up of cartilage, a rubbery, flexible material (the nose, for instance, is made of cartilage).

Your heart, lungs, and liver are all very important, and luckily you've got ribs to keep them safe.Ribs act like a cage of bones around your chest. It's easy to feel the bottom of this cage by running ...

Also called: Atypical Pneumonia. What Is Walking Pneumonia? Walking pneumonia is a less serious form of the lung infection pneumonia.It's often caused by bacteria called Mycoplasma pneumoniae, but ...

It’s normal for people to masturbate (touch or rub their own genitals because they like the way it feels). Some people do it to relieve stress or tension. It’s nothing to be ashamed of or embarrassed ...

What Causes Oral Thrush? Oral thrush is caused by the overgrowth of a yeast (a type of fungus) called Candida albicans.. Most people (including infants) naturally have Candida in their mouths and ...

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

How Do the Lungs and Respiratory System Work? The cells in our bodies need oxygen to stay alive. Carbon dioxide is made in our bodies as cells do their jobs. The lungs and respiratory system allow ...

A bully can turn something like going to the bus stop or recess into a nightmare for kids. Bullying can leave deep emotional scars. And in extreme situations, it can involve violent threats, property ...

We see and hear about hearts everywhere. A long time ago, people even thought that their emotions came from their hearts, maybe because the heart beats faster when a person is scared or excited. Now ...

What Causes Osgood-Schlatter Disease? Osgood-Schlatter disease happens during the growth spurt of puberty. During a child's growth spurt, the bones, muscles, and tendons grow at different rates. In ...

What Does the Central Nervous System Do? The brain is like a central computer that controls all the body's functions. It is in charge of what we think and feel, how we learn and remember, and the way ...

A night terror seems similar to a nightmare, but it's far more dramatic. Night terrors can be alarming, but aren't usually cause for concern or a sign of a medical issue.