Biology

6th -

8thgrade

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Respiratory System

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  • 1. Multiple Choice
    1 minute
    1 pt
    Image
    What is function of the dome-shaped diaphragm?
    This is where gas exchange happens.
    Air passes through the diaphragm on the way to the lungs.
    It attaches to the lungs to help in breathing.
    It is under the lungs and keeps them from falling down to your stomach.
  • 2. Multiple Choice
    1 minute
    1 pt
    What are the main organs of gas exchange in the respiratory system?
    diapragm
    lungs
    trachea
    bronchi
  • 3. Multiple Choice
    1 minute
    1 pt
    Image
    When you breathe, your lungs take in ___ and remove ___. 
    air/oxygen
    oxygen/carbon dioxide 
    carbon dioxide/waste 
    waste/air 
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