Respiration Functions
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Questions and Answers

What is the primary goal of respiration?

  • To regulate ventilation
  • To facilitate gas exchange between the air and blood
  • To transport oxygen and carbon dioxide in the blood
  • To provide O2 to the tissues and remove CO2 (correct)

What is the term for the exchange of gases between the air and blood?

  • Ventilation
  • External respiration (correct)
  • Internal respiration
  • Pulmonary respiration

What is the term for the region where gas exchange occurs?

  • Bronchial zone
  • Respiratory zone (correct)
  • Conducting zone
  • Alveolar zone

Which of the following is NOT a function of respiration?

<p>Digestion of nutrients (D)</p> Signup and view all the answers

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

<p>To warm and humidify the inspired air and filter out particles (B)</p> Signup and view all the answers

What is the term for the anatomical structures through which air passes before reaching the respiratory zone?

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

How many major functions of respiration are mentioned in the text?

<p>4 (C)</p> Signup and view all the answers

What is the temperature of the inspired air when it reaches the respiratory zone?

<p>37°C (body temperature) (D)</p> Signup and view all the answers

What is the purpose of the mucus secreted by cells of the conducting zone structures?

<p>To trap small particles in the inspired air and filter out impurities (A)</p> Signup and view all the answers

What is the approximate rate at which mucus is moved along the conducting zone by cilia?

<p>1 to 2 centimeters per minute (C)</p> Signup and view all the answers

What is the typical size of particles that are filtered out of the inspired air by the conducting zone structures?

<p>Particles larger than about 6 μm (A)</p> Signup and view all the answers

What are the two ways in which the lungs can be expanded and contracted?

<p>By downward and upward movement of the diaphragm and elevation and depression of the ribs (A)</p> Signup and view all the answers

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