Respiratory System Functions Quiz
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Questions and Answers

Where does the exchange of oxygen for carbon dioxide waste take place in the lungs?

  • Bronchioles
  • Trachea
  • Larynx
  • Alveoli (correct)

    • What triggers pulmonary ventilation during normal inhalation?

  • Elevation of ribcage
  • Relaxation of diaphragm and external intercostal muscles
  • Contraction of diaphragm and external intercostal muscles (correct)
  • Decrease in lung volume

    • What is the role of the nasal and oral cavities in pulmonary ventilation?

  • Production of sound
  • Gas exchange with the bloodstream
  • Exhalation of air
  • Inhalation of air (correct)

    • What is the main function of the respiratory system?

    <p>Facilitating gas exchange between the air and the blood</p> Signup and view all the answers

    In what form does oxygen travel through the bloodstream after exchange in the lungs?

    <p>Bound to hemoglobin molecules in red blood cells</p> Signup and view all the answers

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