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
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FPO

For those of us who depend so heavily on our sense of sight, the idea of losing it is scary. Even scarier? The prospect of losing it without warning due to a silent thief called glaucoma.

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The average person passes a good amount of gas — in the form of burps and farts — every day. Some foods, as you're surely aware, can increase this amount quite a bit. Why do some foods cause more internal turbulence than others?

Heart Videos

The heart muscle is required to keep a steady beat. Learn all about the heart and how it functions in these videos on HowStuffWorks.

HEALTH: HUMAN BODY
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