Cardiac Conduction System and Heart Functioning
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Questions and Answers

Where does gas exchange occur in the lungs?

  • Bronchi
  • Diaphragm
  • Alveoli (correct)
  • Trachea
  • Which activity involves the exchange of gases with the external environment?

  • Humidifying and cleaning
  • Internal respiration
  • External respiration (correct)
  • Olfactory senses
  • What is the purpose of mucociliary clearance in the respiratory system?

  • Removal of inhaled particles (correct)
  • Sensing smell
  • Production of sound
  • Modulation of pitch
  • Which structure is primarily responsible for humidifying and warming the air in the respiratory system?

    <p>Upper respiratory tract</p> Signup and view all the answers

    In what part of the body does internal respiration occur?

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

    Which structure is involved in the modulation of pitch, volume, and clarity of sound production in the respiratory system?

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

    What is the main function of the olfactory senses within the respiratory system?

    <p>Sensing smell</p> Signup and view all the answers

    Where does the exchange of gases with the internal environment occur?

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

    What is the primary function of the alveoli in the respiratory system?

    <p>Gas exchange</p> Signup and view all the answers

    Which structure helps in removing inhaled particles in the upper respiratory tract?

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

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