The Human Circulatory And Respiratory Systems

5 Questions | Total Attempts: 1639

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The Human Circulatory And Respiratory Systems

This is a quiz about the circulatory and respiratory systems.


Questions and Answers
  • 1. 
    What controls the heartbeat?
    • A. 

      Your brain

    • B. 

      Natural Pacemaker

    • C. 

      Muscles in your heart

    • D. 

      Trachea

    • E. 

      Epiglottis in your heart

  • 2. 
    What is the best description of a capillary?
    • A. 

      Smallest of the blood vessels, highways of the circulatory system, bring nutrients and CO2 to tissues

    • B. 

      Largest of the blood vessels, side streets of the circulatory system, bring CO2 to tissues and absorb O2

    • C. 

      Smallest of the blood vessels, side streets of the circulatory system, bring CO2 to tissues and absorb O2

    • D. 

      Smallest of the blood vessels, side streets of the circulatory system, bring nutrients and O2 to tissues and absorb CO2 and waste

    • E. 

      Largest of the blood vessels, same as a vein, only females have them

  • 3. 
    (The) _____ brings oxygen rich blood from the left ventricle to the rest of the body.
  • 4. 
  • 5. 
    The vena cava is a...
    • A. 

      Vein

    • B. 

      Artery

    • C. 

      Capillary

    • D. 

      Chamber of your heart

    • E. 

      Part of your lungs