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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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?

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  • 10 Fascinating Facts About Flatus

    10 Fascinating Facts About Flatus

    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. See more »

  • Are there any tricks to prevent vomiting?

    Are there any tricks to prevent vomiting?

    Everybody vomits on occasion, but often the urge comes at the most inopportune times. Wouldn't it be helpful if there was a way to suppress it? See more »

  • Do vegetarians have smellier farts?

    Do vegetarians have smellier farts?

    Accusing vegetarians of having smellier farts is pretty offensive. Do you need to know if you have any vegetarian guests for more than just menu planning? See more »

  • Do you really need to poop every day?

    Do you really need to poop every day?

    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? See more »

  • How can straining on the toilet kill you?

    How can straining on the toilet kill you?

    It's not a common occurrence by any means, but for people with certain conditions, straining to poop can have deadly consequences. See more »

  • How does your stomach keep from digesting itself?

    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? See more »

  • How fast does a fart travel?

    How fast does a fart travel?

    We all pass gas, but not all of us like to talk about it — or study it to figure out how quickly it travels out of the body. See more »

  • How Fasting Works

    How Fasting Works

    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? See more »

  • How the Digestive System Works

    How the Digestive System Works

    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. See more »

  • If I couldn't get rid of gas in any way, would I explode?

    If I couldn't get rid of gas in any way, would I explode?

    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? See more »

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