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?

Your frontal sinuses are located right above your eyebrows. Learn more about your frontal sinuses from this article.

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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.

Are you body smart?

When it comes to your body, how much do you know? Test your knowledge with this quiz adapted from "YOU: The Owner's Manual", by Dr. Mehmet Oz and Dr. Michael Roizen.

HEALTH: HUMAN BODY
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