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Biology: The Respiratory System
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Biology: The Respiratory System

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Questions and Answers

Which of the following muscles is involved in breathing?

  • Rectus abdominis
  • Transversus thoracis
  • External obliques
  • All of the above (correct)
  • What is the average respiratory rate in breaths per minute?

  • 15
  • 10
  • 12 (correct)
  • 20
  • What is the volume of air that moves in or out with each inspiration or expiration?

  • 2000 mL
  • 1000 mL
  • 3000 mL
  • 500 mL (correct)
  • What is the sum of Inspiratory Reserve Volume (IRV) and Tidal Volume (TV)?

    <p>3500 mL</p> Signup and view all the answers

    What is the volume of air still left in the lungs after forced exhalation?

    <p>1200 mL</p> Signup and view all the answers

    What is the maximum volume of air that can be inhaled and exhaled during forced breathing?

    <p>4800 mL</p> Signup and view all the answers

    What is the main goal of respiration?

    <p>To provide O2 to the tissues and to remove CO2</p> Signup and view all the answers

    What is the process of inflow and outflow of air between the atmosphere and the lung alveoli?

    <p>Pulmonary ventilation</p> Signup and view all the answers

    What is the minimum volume of air that the lungs can hold?

    <p>Minimal volume</p> Signup and view all the answers

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