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Respiratory System

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    Respiratory system
  •   Study   Slideshow
  • What are the two important processes of respiration?
    1) the process of Inhaling and exhaling air 2) the process of exchanging two gases (oxygen and carbon dioxide)
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  • What is inhalation?
    breathe in air (lungs get bigger)
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  • During inhalation, we breathe in ______.
    oxygen.
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  • What is exhalation?
    we breathe out (lungs get smaller)
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  • During exhalation, we breathe out ________.
    carbon dioxide
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  • What is this?
    lungs
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  • What is not used in respiration? A) Lungs B) Esophagus C) Pharynx
    B) Esophagus
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  • What are alveoli?
    millions of small air sacs where gas exchange occurs
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  • Air travels down the ____ to the lungs
    windpipe
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  • Gas exchange happens in the _____
    alveoli
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  • Blood carries oxygen to our ____
    organs
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  • Does our body need carbon dioxide?
    no
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