WHAT'S INSIDE: HUMAN BODY

The human body is an amazing structure made up of many fascinating parts and systems. Learn about the human body and how its systems work together.
  • Body Parts
  • Body Systems
FEATURED: HUMAN BODY
How much do you know about the human body?

The Discovery Health show "Body Invaders" explains what causes arthritis. Learn more about the number one cause of disability in the United States and treatments for it.

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Why does my stomach growl?

Whether you call it grumbling, gurgling or growling, sometimes your belly just won't keep quiet. What makes your stomach growl, and why does it seem to happen at the worst times?

What if people had gills?

In the movie "WaterWorld," Kevin Costner's character has a mutation that gives him gills behind the ears. Could a mutation allow people to swim in the water just like fish --without having to use any sort of scuba equipment?

HEALTH: HUMAN BODY
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