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?

A healthy brain works better longer, keeping memory accurate and thought processes clear. Learn more about the benefits and options of brain teasers and mind games on your health.

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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.

What makes your arms, legs and feet fall asleep?

Having a limb fall asleep can range from annoying to downright painful. See what's going on inside your arm or leg when it falls asleep.

HEALTH: HUMAN BODY
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