The Respiratory System

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Questions and Answers

What is the main function of the respiratory system?

  • Regulation of body temperature
  • Digestion of food
  • Production of red blood cells
  • Exchange of gases between the atmosphere and the blood (correct)

What is the typical diameter of an alveolus?

  • 700 um
  • 100 um
  • 500 um
  • 300 um (correct)

What is the role of carbonic acid 'Bicarb' equation in the respiratory system?

  • Formation of bone tissue
  • Production of energy
  • Regulation of body pH (correct)
  • Synthesis of proteins

What is the typical thickness of a type I cell in the alveolus?

<p>0.2 um (A)</p> Signup and view all the answers

What is the function of the ciliated epithelial cells in the respiratory system?

<p>Protection from inhaled pathogens and irritating substances (C)</p> Signup and view all the answers

What is the typical diameter of an alveolus?

<p>300 um (C)</p> Signup and view all the answers

What is the typical distance between the air and inside a capillary?

<p>0.2 um (C)</p> Signup and view all the answers

What is the role of carbonic acid 'Bicarb' equation in the respiratory system?

<p>Regulation of body pH (A)</p> Signup and view all the answers

What is the main function of the ciliated epithelial cells in the respiratory system?

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

What are the key functions of the respiratory system?

<p>Exchange of gases, homeostatic regulation of body pH, protection from inhaled pathogens (D)</p> Signup and view all the answers

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