Search HowStuffWorks and the web:
 



ADVERTISEMENT
The Body
The human body is an amazing machine, full of intricate systems that keep us going, without our even thinking about them. Learn more about how these systems function, and what happens when they break down, in the articles and videos in this section of HowStuffWorks.
Recent The Body Articles:

Unfortunately for him, Humpty Dumpty was not blessed with the human skeletal system. Why can your skeleton do what all the king's horses and all the king's men can't?

It's as easy as checking "yes" when you register for or renew your driver's license. But organ donation is actually a complex and serious process.

Eye-rolling, gum-chewing teens think boredom could just about kill them. And they're half right. Boredom itself won't kill you, but the drugs and gambling people do when they're bored can.

When you spy your slim self in the mirror, you probably wonder where that lost weight went. As you've exercised and dieted, your body has been rearranging tiny molecules to create svelte you.

 
The The Body Library: