Respiratory System Functions and Structure
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Questions and Answers

What is the main function of the respiratory system?

  • Transporting respiratory gases
  • Monitoring and adjusting levels of hydrogen ions in the blood
  • Providing oxygen for energy production and removing carbon dioxide (correct)
  • Regulation of blood pH

    • Which part of the respiratory system is responsible for the main site of gas exchange?

  • Upper respiratory tract
  • Conducting zone
  • Lower respiratory tract
  • Respiratory zone (correct)

    • Which of the following structures is NOT part of the upper respiratory tract?

  • Trachea (correct)
  • Nose
  • Pharynx
  • Larynx

    • What is the primary function of the conducting zone in the respiratory system?

    <p>Bringing air to the site of external respiration</p> Signup and view all the answers

    How many alveoli are present in the lungs?

    <p>150 million per lung</p> Signup and view all the answers

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