Respiratory System: Organs and Structures
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Questions and Answers

Where does gas exchange directly occur in the respiratory system?

  • Bronchial tree
  • Lungs
  • Respiratory zone
  • Alveoli (correct)

Which structure in the respiratory system is highly permeable to gases?

  • Bronchial tree
  • Respiratory bronchiole
  • Alveoli (correct)
  • Pulmonary capillaries

What causes bronchoconstriction in the lungs?

  • Sympathetic system
  • Pulmonary capillaries
  • Alveolar sacs
  • Parasympathetic system (correct)

Which part of the lung is located near the diaphragm?

<p>Base (C)</p> Signup and view all the answers

What is the function of alveolar macrophages in the respiratory system?

<p>Protection from pathogens (A)</p> Signup and view all the answers

Where do the left and right primary bronchi branch in the respiratory system?

<p>At the carina (D)</p> Signup and view all the answers

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

<p>To filter and humidify incoming air (C)</p> Signup and view all the answers

What is the primary function of the nasal conchae?

<p>To disrupt airflow and force air to warm and clean it (B)</p> Signup and view all the answers

What is the purpose of the cilia in the respiratory system?

<p>To push mucus and debris toward the throat to be swallowed (D)</p> Signup and view all the answers

What is the primary function of the epiglottis?

<p>To close off the tube so food goes to the esophagus (A)</p> Signup and view all the answers

What is the primary function of the larynx?

<p>To produce sound for speech (D)</p> Signup and view all the answers

What is the main purpose of the sinuses?

<p>To produce mucus and lighten the skull (C)</p> Signup and view all the answers

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