Passive Exhalation Process in Quiet Breathing
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Questions and Answers

What is the primary function of the respiratory system?

  • Producing sound
  • Supplying the body with oxygen and eliminating carbon dioxide (correct)
  • Clearing excess water from the body
  • Filtering inspired air
  • During which respiratory phase does external respiration occur?

  • Expiration
  • Inhalation
  • Exchange of gases between alveoli and pulmonary capillaries (correct)
  • Pulmonary ventilation
  • What is the role of elastic fibers in breathing?

  • To help in the recoil of the lungs and thoracic cage (correct)
  • To contract the diaphragm during inhalation
  • To relax the diaphragm during exhalation
  • To stimulate the phrenic nerves
  • Which process requires an input of energy?

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

    What stimulates the diaphragm during breathing?

    <p>Phrenic nerves</p> Signup and view all the answers

    Which phase of breathing takes advantage of recoil properties of elastic fiber?

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

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