Body Parts work together to perform different functions required for life. Learn how your internal organs operate in this section.
Amputations have been performed since ancient times, but did you know anesthesia wasn't developed until the 1840s? Mountaineer Aron Ralston amputated his own arm after being trapped by a boulder. Could you do it? See more »
Scientific studies are showing that lefties are quicker and more adroit in some activities than their right-handed counterparts. How much validity does this assertion hold?
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The trials of being a lefty are numerous. You jostle for elbow room at the table, use scissors that feel funny in the hand and are teased for writing oddly. But do beleaguered lefties get the last laugh in sports?
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If wisdom teeth are so wise, why do they keep sprouting in the gums of people who don't need them anymore? Should a lack of wisdom teeth give you bragging rights as a highly evolved human?
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Amputations have been performed since ancient times, but did you know anesthesia wasn't developed until the 1840s? Mountaineer Aron Ralston amputated his own arm after being trapped by a boulder. Could you do it?
See more »
It's as easy as checking yes" when you register for or renew your driver's license. But organ donation is actually a complex and serious process.
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Today, organ transplants are relatively simple procedures, yet thousands of people die every year waiting for their turn. Find out about transplants and what’s being done to remedy the organ-shortage problem.
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Vestigial organs are like the contents of your junk drawer: an assortment of objects that once had a purpose or might come in handy. What can these evolutionary mementos tell us?
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Does the appendix serve any purpose in the human body? Scientists are divided on the issue -- learn why.
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The kidneys spend 24 hours a day, seven days a week filtering gallons and gallons of blood. But that's not all these little bean-shaped organs accomplish in a day.
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Having a limb fall asleep can range from annoying to downright painful. See what's going on inside your arm or leg when it falls asleep.
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Getting shot is not something we want to happen, but if it does, where is the best place to take a bullet? Find out what the experts think.
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Most people's organs follow the same basic layout -- heart on the left, appendix on the right and stomach in the middle. But in about 1 in 10,000 births, organs end up on the opposite side.
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Why don't you have two hearts? Here's a hint: It's the same reason why you have one liver, but two eyes. Would a second heart help you live better?
See more »Chances are rather good you've heard the news that you have a thyroid -- but chances are also pretty decent you're not completely up to speed on exactly why you have one. What can your thyroid do for you?
See more »Your appendix is really a pretty mysterious organ. Find out why you have an organ that's not necessary to your survival.
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Learn more about what ails you. Here are some common symptoms.
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