Respiratory System In Humans

6 Questions | Total Attempts: 317

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Respiratory System Quizzes & Trivia

Check your understanding on the human respiratory system.


Questions and Answers
  • 1. 
    What is the function of cilia that line the nasal cavity?
    • A. 

      Moisten the air taken in

    • B. 

      Produce sticky mucus

    • C. 

      Trap dust from the air

    • D. 

      Sweep away mucus and trapped materials

  • 2. 
    Which one of the following is a disease of the respiratory system in which alveoli in the lungs enlarge?
    • A. 

      Chronic bronchitis

    • B. 

      Lung cancer

    • C. 

      Emphysema

    • D. 

      Asthma

  • 3. 
    The __________ is a tubelike passageway used by food, liquid, and air.
    • A. 

      Nostril

    • B. 

      Epiglottis

    • C. 

      Pharynx

    • D. 

      Larynx

  • 4. 
    What muscle contracts and relaxes when you inhale and exhale?
    • A. 

      Larynx

    • B. 

      Lung

    • C. 

      Diaphragm

    • D. 

      Trachea

  • 5. 
    The exchange of oxygen and carbon dioxide in the lungs takes place between the __________.
    • A. 

      Nostrils and lungs

    • B. 

      Bronchi and bronchiles

    • C. 

      Alveoli and capillaries

    • D. 

      Pharynx and lungs

  • 6. 
    Which one of the following is the correct pathway of air after it enters the nasal passages?
    • A. 

      Larynx, trachea, pharynx, bronchi, lungs

    • B. 

      Pharynx, larynx, trachea, bronchi, lungs

    • C. 

      Larynx, pharynx, bronchi, trachea, lungs

    • D. 

      Lungs, bronchi, trachea, larynx, pharynx

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