Your Body

What's That Mean: Circulatory System

What's That Mean: Veins

What's That Mean: Lungs

What's That Mean: Phlegm / Mucus

What's That Mean: Pleural Space

What's That Mean: Bone Marrow

What's That Mean: Vertebrae

Your tonsils are two lumps of tissue at the back of your throat. They're part of your immune system. But what do they do, exactly? Let's take a moment to learn more.

What's That Mean: Nervous System

Lorrin and Daniel help to clear up what happens in epilepsy - seizures - when electrical signals in the brain go haywire.

This is a speech disorder. It involves the brain and the muscles that control speech. With this disorder, it's hard to make the muscle movements needed for speaking.

This is a group of emotional and behavioral problems in children. With it, a child does defiant and impulsive things. The child may break rules and cause problems for himself or herself and for other people. Eventually, this can lead to criminal behavior.

Did you just fail a big test? Are you struggling in school? If your study habits are holding you back, you need to make some changes. Here are some tips to get you on the right track.

This happens when a young child with a fever starts to convulse. It may be scary for parents, but it usually won't harm your child.