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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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

Picking your nose isn't something we do in public. And chowing down on what we find in there isn't just frowned upon -- it's pretty gross. But what happens if you do eat your own boogers? Is it dangerous? Or can it actually be good for you?

By Laurie L. Dove

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When you have a cold or allergies, your life revolves around tissues. Your nose feels like a nonstop spigot of mucus (not your best look, by the way). Why do you constantly have to blow your nose -- and what's going on in your schnozz when you do?

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

You're trapped in a quiet place and you feel a sneeze coming on. You try desperately to remember how to stop a sneeze, but it's too late -- ACHOO! Next time, try tickling the roof of your mouth with your tongue. Really!

By Laurie L. Dove

Kids are pretty cute, right? Maybe not so much if you've ever watched one pick his nose and eat a booger — that chubby finger emerging with a treasure, quickly inspected and (ewww) shoved right into his mouth. Why do they do this?

By Laurie L. Dove

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Are you getting too up close and personal with your TV? Your eyes might think so.

By Alison Cooper

So many notes announcing new babies start, "Everyone's safe and healthy with 10 fingers and 10 toes." But why do most folks have 10 of each?

By Laurie L. Dove

If someone told you that oodles of arachnids are jumping (and mating) all over your eyelashes, you might be inclined to laugh it off. That sounds more like a scene from a horror movie than a scientific reality, right? Right?

By Jennifer Sellers

You probably don't give much thought to eye boogers, except maybe when you wipe them away. But you're about to learn a lot more about them (and while you're reading, you'll probably check your eyes for crud a few times).

By Jennifer Sellers

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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

As anyone who's ever used a cotton swab knows, human ears generate a fair amount of earwax. But what exactly is the stuff, and do you need to make a point of clearing it out every so often?

By Jennifer Sellers

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.

By Jennifer Sellers

Certain scientists have taken on the unappealing job of evaluating the debris that hangs out in the human belly button. What's hiding in your belly button?

By Jennifer Sellers

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The Big Bad Wolf told Little Red Riding Hood that his enormous ears made him hear better, but is that really true? Find out if size really does matter when it comes to ears and hearing.

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

Do your ears hang low? Do they wiggle to and fro? Could it be because your ears keep right on growing long after the rest of you has stopped?

By Laurie L. Dove

Learn to recognize the symptoms of a concussion and what causes them. Worried that your child has a concussion? Learn the symptoms of a concussion and how to treat it.

By Dr. Rob Danoff

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Human bodies are wonderlands of grossness. You might be shocked to know some of the nastiest things your body is harboring right this minute.

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

If you've ever considered burning them off for various nefarious purposes, you may want to reconsider. Those babies are more than just loopy tools of identification.

By Robert Lamb

During early pregnancy, both male and female human embryos develop something called milk lines, ridges that eventually recede into nipples. Why have some species lost this unisex trait, and can human men actually produce milk?

By Cristen Conger

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Every day in the United States, an average of 18 people die while awaiting organ transplants because of a critical shortage of donors. Get facts about organ donation here.

By Discovery Fit and Health Writers

How smart are you? Take this quick brain test to peek inside the power of your brain.

By Discovery Fit and Health Writers