BODY PARTS

Body Parts work together to perform different functions required for life. Learn how your internal organs operate in this section.
How much do you know about the human body?
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Why are some people born with a reversal of organs?

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 do men have nipples?

    Why do men have nipples?

    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? See more »

  • Why do we have fingerprints?

    Why do we have fingerprints?

    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. See more »

  • 13 People with Extra Body Parts

    13 People with Extra Body Parts

    Extra body parts can occur more often than people might think. Doctors call the extra appendages "supernumerary" body parts and these can be found on some famous people in history. See more »

  • 16 Unusual Facts About the Human Body

    16 Unusual Facts About the Human Body

    Our list of 16 unusual facts about the human body will both shock and enlighten. Did you know that everyone has a unique tongue print or that we shed skin cells the same way a dog sheds hair? See more »

  • 5 Ways to Value Your Body

    5 Ways to Value Your Body

    The more you value yourself, the greener you become. Learn more about these 5 ways to value your body. See more »

  • Are you body smart?

    Are you body smart?

    When it comes to your body, how much do you know? Test your knowledge with this quiz adapted from "YOU: The Owner's Manual", by Dr. Mehmet Oz and Dr. Michael Roizen. See more »

  • Facts About Organ Donation

    Facts About Organ Donation

    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. See more »

  • Fantastic Facts about the Human Body

    Fantastic Facts about the Human Body

    The human body is fantastic biological specimen. Learn more about the human body with these revealing and insightful facts. See more »

  • What does the pituitary gland do?

    What does the pituitary gland do?

    Your pituitary gland manages most hormone production. Learn about the pituitary gland in this article. See more »

  • What is an Adam's apple?

    What is an Adam's apple?

    An Adam's apple is the protrusion of cartilage in the neck. Learn about an Adam's apple from this article. See more »

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