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.
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  • Body Systems
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How much do you know about the human body?
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We eat every day but what happens after the food leaves our mouths is mostly a mystery to many of us. Find out how your digestion knowledge stacks up with this digestive quiz.

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Why do elbows itch?

If you have chronically itchy elbows, you're probably irritated in more than one way, as elbows aren't easy to scratch. For what it's worth, you're also in good company: A certain Civil War general shared your itchy condition.

HEALTH: HUMAN BODY
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