Respiratory System Quiz
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Questions and Answers

Where does gas exchange occur in the lungs of land animals?

  • In millions of small air sacs (correct)
  • In the trachea
  • In the alveoli
  • In the bronchi
  • What is the largest airway that communicates with the external environment?

  • Atria
  • Alveoli
  • Bronchi
  • Trachea (correct)
  • What is the function of the microscopic air sacs in the lungs?

  • Regulating air pressure in the lungs
  • Producing mucus for lung protection
  • Bringing the air into close contact with the blood (correct)
  • Storing excess air for emergencies
  • What determines the variation in the anatomy and physiology of the respiratory system?

    <p>Size of the organism, environment, and evolutionary history</p> Signup and view all the answers

    What are the air sacs called in birds for gas exchange?

    <p>Atria</p> Signup and view all the answers

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