Respiratory System Overview: College of Pharmacy First Stage
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Questions and Answers

What is the primary function of the respiratory system?

  • Intake of carbon dioxide for cellular respiration
  • Expulsion of carbon dioxide from the body
  • Expulsion of oxygen from the body
  • Intake of oxygen for cellular respiration (correct)

    • Where does the lower respiratory tract begin?

  • At the nose
  • At the larynx
  • At the pharynx
  • At the trachea (correct)

    • What is the function of the nasal cavity in the respiratory process?

  • To produce oxygen for respiration
  • To filter oxygen before entering the lungs
  • To produce mucus for breathing
  • To warm and moisten air before entering the respiratory tract (correct)

    • What is the role of the pharynx in the respiratory system?

    <p>It serves as a pathway for both air and food</p> Signup and view all the answers

    What is the primary function of the trachea?

    <p>To connect the larynx to the bronchi</p> Signup and view all the answers

    During inhalation (inspiration), what creates a negative pressure that draws air into the lungs?

    <p>Expanding thoracic cavity</p> Signup and view all the answers

    Where does oxygen from the inhaled air diffuse into the bloodstream?

    <p>Alveoli</p> Signup and view all the answers

    What is responsible for the process of sustaining cellular respiration in various tissues and organs?

    <p>Oxygen-rich blood pumped by the heart</p> Signup and view all the answers

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