RESPIRATORY SYSTEM

The respiratory system includes the nose, throat, larynx, trachea, bronchi, and lungs. Discover how the respiratory system supplies blood with necessary oxygen and relieves it of the waste product carbon dioxide.
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What is the function of the respiratory system?

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.

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  • How Your Lungs Work

    How Your Lungs Work

    You breathe in and out anywhere from 15 to 25 times per minute without even thinking about it -- it just happens naturally. Learn all about your lungs, various conditions and diseases, and what makes the breath of life so crucial. See more »

  • What if people had gills?

    What if people had gills?

    In the movie "WaterWorld," Kevin Costner's character has a mutation that gives him gills behind the ears. Could a mutation allow people to swim in the water just like fish --without having to use any sort of scuba equipment? See more »

  • How does the respiratory system defend itself?

    How does the respiratory system defend itself?

    The respiratory system has several ways to defend itself, including cilia fibers. Learn more about how the respiratory system defends itself from this article. See more »

  • How much oxygen does a person consume in a day?

    How much oxygen does a person consume in a day?

    You breath all day, every day. How much oxygen does this process consume? See more »

  • What are some facts about the respiratory system?

    What are some facts about the respiratory system?

    Here are some facts about the respiratory system, the group of tissues and organs in your body that enable you to breathe. Learn some facts about the respiratory system in this article. See more »

  • What are the respiratory system organs?

    What are the respiratory system organs?

    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. See more »

  • What is the function of the respiratory system?

    What is the function of the respiratory system?

    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. See more »

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