Most people's organs follow the same basic layout -- heart on the left, appendix on the right and stomach in the middle. But in about 1 in 10,000 births, organs end up on the opposite side.
WHAT'S INSIDE: HUMAN BODY
- Body Parts
- Body Systems
What happens to your lunch after you eat it? As you read this, your digestive system is hard at work, taking it on a wild ride through your body.
Teens brains really function differently than adult brains. Learn about the development of teens’ brains in this article.