Biology

11th -

12thgrade

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Human Gas Exchange

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18 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    What is the name of two main branches from the trachea (one to each lung)?

    bronchi

    alveoli

    capillaries

    bronchioles

  • 2. Multiple Choice
    30 seconds
    1 pt

    What happens when you breathe in? (tick all that apply)

    diaphragm relaxes and moves up

    diaphragm contracts and flattens

    increases volume in thorax

    reduces volume in thorax

  • 3. Multiple Choice
    30 seconds
    1 pt

    Which of the following is not happening during inhalation?

    the diaphragm contracts

    the rib cage rises up

    expands the volume of the chest cavity

    diaphragm is relaxing

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