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 spine is an amazing piece of architecture that is often neglected until we get a backache. Learn more about the spine in this video from Discovery Health's "Body Invaders."

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How Nerves Work

You touch a hot object and immediately drop it. It happens so quickly you don't even think about it. How does this happen? Your nervous system coordinated everything.

How do broken bones heal?

Unfortunately for him, Humpty Dumpty was not blessed with the human skeletal system. Why can your skeleton do what all the king's horses and all the king's men can't?

HEALTH: HUMAN BODY
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