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?

Is it possible to keep lungs alive outside the body? Meet the scientists who are removing and refurbishing worn-out lungs before transplanting them.

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The Lymph System

The lymph system is the body's drainage system. It is composed of a network of vessels and small structures called lymph nodes. Learn more about the workings of this crucial system.

How does your stomach keep from digesting itself?

Ever wondered how your stomach acid knows the difference between your stomach and the food inside it?

HEALTH: HUMAN BODY
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