Test Yourself Questions: Respiratory System

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Questions and Answers

Which of the following is the primary function of the respiratory system?

  • To bring oxygen (O2) into the body and remove carbon dioxide (CO2) from it (correct)
  • To regulate body temperature
  • To produce red blood cells
  • To digest food

Which of the following is NOT a secondary function of the respiratory system?

  • Oxygen transport (correct)
  • Voice production
  • Body temperature regulation
  • Acid-base balance regulation

What is one of the secondary functions of the respiratory system?

  • Muscle contraction
  • Sense of smell (correct)
  • Sense of taste
  • Digestion

Which of the following best describes breathing?

<p>The process of drawing air into the lungs and blowing it back out again (A)</p>
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Which of the following best describes respiration?

<p>The process of exchanging oxygen and carbon dioxide (A)</p>
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Which process involves the exchange of oxygen and carbon dioxide between inhaled air and blood in the pulmonary capillaries?

<p>External respiration (C)</p>
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Where does internal respiration occur?

<p>In the body's cells and tissues (C)</p>
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Which process is responsible for the initial exchange of gases with inhaled air?

<p>External respiration (C)</p>
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Which type of respiration occurs in the lungs?

<p>External respiration (B)</p>
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