Science

7th

grade

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ระบบทางเดินหายใจ

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  • 1. Multiple Choice
    30 seconds
    1 pt
    Image
    The air sacs that are covered with capillaries where gas exchange takes place
    bronchi
    lungs
    oxygen
    alveoli
  • 2. Multiple Choice
    1 minute
    1 pt

    Flap of tissue that covers the opening to the windpipe during swallowing

    Pharynx

    Trachea

    Epiglottis

    bronchioles

  • 3. Multiple Choice
    30 seconds
    1 pt

    What is the site of gas exchange?

    alveoli

    nose

    lung

    bronchi

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