Biology

3rd

grade

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How the Lungs Work

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7 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
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    When you take air in through your mouth or your nose, you....
    exhale
    cough
    inhale
  • 2. Multiple Choice
    30 seconds
    1 pt
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    When you breathe hard, your body...
    gets really sweaty.
    takes in more oxygen.
    sounds loud.
  • 3. Multiple Choice
    30 seconds
    1 pt
    Image
    Our bodies need the _________ in the air we breathe.
    feathers
    oxygen
    carbon dioxide
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