WHAT'S INSIDE: HUMAN BODY
- Body Parts
- Body Systems
When you cut yourself accidentally, do you ever wonder what makes up this thing we call blood? It's pretty amazing stuff, considering how it wards off infections while supplying nutrients to every cell in the human body.
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.