Digestive System

The digestive system is in charge of absorbing and transporting nutrients your body needs in order to thrive -- and it gets rid of all the waste the body doesn't need. Discover how saliva breaks down the food you eat and more.

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According to the famed children's book "Everybody Poops," well, everybody poops. But does everyone poop every day? And what happens if you don't?

By Laurie L. Dove

Want to keep your body running like a well-oiled machine? Step aside, expensive shakes and supplements -- water's the thing your bod craves most.

By Laurie L. Dove

Have you ever seen something so gross it made you want to puke? Or actually puke? Your caveman brain might be trying to protect you. Find out why nasty things make our stomachs churn.

By Laurie L. Dove

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The average person passes a good amount of gas — in the form of burps and farts — every day. Some foods, as you're surely aware, can increase this amount quite a bit. Why do some foods cause more internal turbulence than others?

By Jennifer Sellers

Flatulence is funny, but there's actually some pretty interesting stuff going on in your body to cause it. After reading these 10 facts, you may never look at airplane travel the same way.

By Maria Trimarchi

Avoid bloating this bathing suit season by taking these bloating tips to heart and looking great in your slimmest bathing suit!

By Discovery Fit and Health Writers

Sometimes people choose not to eat for religious, political or health reasons. It's called fasting, and it's been popular for thousands of years. What effects does fasting have on the body? Is it safe?

By Alla Umanskiy

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Whether you call it grumbling, gurgling or growling, sometimes your belly just won't keep quiet. What makes your stomach growl, and why does it seem to happen at the worst times?

By Jessika Toothman

Silica packets most likely contain silica gel or some other desiccant -- something that absorbs (collects) and holds water vapor. What would happen if you put that gel in your mouth?

By Katherine Neer

What happens to your lunch after you eat it? As you read this, your digestive system is hard at work, taking it on a wild ride through your body.

By Melissa Jeffries

People expel gas by either burping or flatulating. Although it's an embarrassing thing to have happen, it's also a necessity. But what would happen if you just couldn't pass the gas?

By Katherine Neer

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Healthy digestion involves the whole body. Learn about the processes and body parts that go into digestion.

By DiscoveryHealth.com writers

Ever wonder how your stomach acid attacks the food inside it but not the stomach itself?

By HowStuffWorks.com Contributors