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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Learn More / Page 6
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?
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?
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.
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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?
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.
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.
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?
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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.
Human bodies are wonderlands of grossness. You might be shocked to know some of the nastiest things your body is harboring right this minute.
Avoid bloating this bathing suit season by taking these bloating tips to heart and looking great in your slimmest bathing suit!
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
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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?
Every guy is self-conscious about something, and hours are often spent wondering how he measures up to the competition. But what would-be body flaws are the most embarrassing?
Beauty may be in the eye of the beholder, but women are definitely held to higher standards than men. Could this be why so many of us are embarrassed of our bodies?
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?
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No one is perfect, but sometimes, we go above and beyond to hide our flaws. Is your No. 1 insecurity on our list?
By Sara Elliott
Your pituitary gland manages most hormone production. Learn about the pituitary gland in this article.
The function of the respiratory system is to bring oxygen to all the parts of your body. Learn what the function of the respiratory system is in this article.
The respiratory system organs include the airways, the lungs, and the blood vessels and muscles attached to them. Learn what the respiratory system organs are in this article.
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The sphenoid sinuses are located behind your eyes. Learn more about what sinus is located behind your eyes from this article.
The maxillary sinuses are located right under your eyes and above the roots of your upper teeth. Learn more about the location of your maxillary sinuses from this article.
The respiratory system has several ways to defend itself, including cilia fibers. Learn more about how the respiratory system defends itself from this article.
Teens brains really function differently than adult brains. Learn about the development of teens' brains in this article.
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Whenever you delve into the realm of the paranormal, you're bound to feel the heat of argument between skeptics and believers. Why not end the argument once and for all and locate the part of the brain that may (or may not) control ESP?
Think it's a hassle when your car breaks down? Try finding a spare organ when your body gives out. Thanks to years of research, scientists are now amassing a "body shop" of sorts, dealing not in tires or mufflers, but in bladders, bones and breasts.