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?

In this clip from Discovery Channel's series, "Assignment Discovery," the process of human digestion is explained.

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Why do loud noises cause your ears to ring?

Back away from that speaker, turn down that iPod and put down that power tool unless you want the ringing in your ears to remain permanent. Sound can hurt you, and that ringing may be the first sign.

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How smart are you? Take this quick brain test to peek inside the power of your brain.

HEALTH: HUMAN BODY
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