Functions and Structure of the Respiratory System
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Questions and Answers

What is one function of the respiratory system?

  • Supplies the body with nitrogen
  • Supplies the body with oxygen (correct)
  • Produces hormones (correct)
  • Increases blood pressure
  • What does the respiratory system help maintain in the body?

    homeostasis and normal pH

    Which of the following is NOT a component of the conducting portion of the respiratory system?

  • Bronchi
  • Alveoli (correct)
  • Trachea
  • Nasal cavity
  • The respiratory system can be divided into an upper and lower respiratory airway.

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

    The _____ includes the nasal cavity, pharynx, and larynx.

    <p>conducting portion</p> Signup and view all the answers

    Which section of the diagram shows the branching structure of the respiratory system?

    <p>Left section</p> Signup and view all the answers

    What parts are highlighted in the right section of the diagram?

    <p>Nasal cavity, pharynx, larynx, trachea, bronchi, and lungs</p> Signup and view all the answers

    Study Notes

    Functions of the Respiratory System

    • Supplies the body with oxygen and removes carbon dioxide
    • Maintains homeostasis and a normal pH
    • Supports the body's immune system to fight infections

    Anatomical Divisions

    • Divided into the upper and lower respiratory airways

    Functional Divisions

    • Conducting portion: Transports gases
    • Respiratory portion: Gas exchange

    Conducting Portion

    • Includes the upper and lower respiratory airways
    • Contains:
      • Nasal cavity
      • Pharynx
      • Larynx
      • Trachea
      • Extra pulmonary bronchi
      • Intrapulmonary bronchi
      • Bronchioles
      • Terminal bronchioles

    Diagram Summary

    • The left section shows a simplified branching structure of the trachea, bronchi, and bronchioles leading to alveoli (the tiny air sacs).
    • The right section presents a side view of the human head and upper chest, highlighting the different parts of the upper and lower respiratory tract (nasal cavity, pharynx, larynx, trachea, bronchi, and lungs).
    • These diagrams depict the pathway of air through the system and where gas exchange occurs.

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    Description

    Explore the fundamental functions and anatomical divisions of the respiratory system. This quiz covers both the conducting and respiratory portions, highlighting the various components involved in gas transport and exchange. Review diagrams that simplify complex structures for better understanding.

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