Circulatory System: MCQ! Quiz

12 Questions | Total Attempts: 221

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Circulatory System: MCQ! Quiz

The circulatory system is the vital organ system responsible for the transportation of blood, and nutrients to the body. It permits the blood to carry nutrients such as oxygen, carbon dioxide, hormones, and blood cells. Its major components of the include the heart, blood, and blood vessels, and the human circulatory structure is a closed system. It is a closed system which means that the blood never leaves the network of blood vessels. Knowledge of the circulatory system is just a heartbeat away with this quiz.


Questions and Answers
  • 1. 
    What is the circulatory system?
    • A. 

      The body's breathing system

    • B. 

      The body's system of nerves

    • C. 

      The body's food-processing system

    • D. 

      The body's blood-transporting system

  • 2. 
    From what source do cells get their food?
    • A. 

      Blood

    • B. 

      Oxygen

    • C. 

      Other cells

    • D. 

      Carbon dioxide

  • 3. 
    Why is oxygen important to blood and to the cells?
    • A. 

      Oxygen helps the blood to clot.

    • B. 

      Oxygen is necessary for cell growth and energy.

    • C. 

      Oxygen brings food to the cells.

    • D. 

      Oxygen is not important -- carbon dioxide is the most important substance to the body.

  • 4. 
    What is the organ that pumps blood all throughout the human body?
    • A. 

      The lungs

    • B. 

      The heart

    • C. 

      The kidneys

    • D. 

      The blood vessels and capillaries

  • 5. 
    What is the main part of the Circulatory System?
    • A. 

      Lungs

    • B. 

      Heart

    • C. 

      Veins

    • D. 

      Capillaries

  • 6. 
    What is the circulatory system responsible for?
    • A. 

      Transporting materials

    • B. 

      Transporting materials throught your whole body

    • C. 

      Digesting food

    • D. 

      Lets you breath

  • 7. 
    The right side of the heart pumps the blood _____ the heart ______ the lungs.
    • A. 

      To, from

    • B. 

      From, to

  • 8. 
    The Circulatory System is composed of:
    • A. 

      The heart, blood, and blood vessels.

    • B. 

      The heart, the brain, and the lungs.

    • C. 

      The lungs, the blood, and the blood vessels.

    • D. 

      The brain, the heart, and the blood vessels.

  • 9. 
    What links the arteries to the veins?
    • A. 

      Capillaries

    • B. 

      Muscles

    • C. 

      Aorta

  • 10. 
    Which is the largest blood vessel?
    • A. 

      Veins

    • B. 

      Artery

    • C. 

      Aorta

    • D. 

      Capillary

  • 11. 
    Which one is the smallest blood vessel?
    • A. 

      Arteries

    • B. 

      Capillaries

    • C. 

      Veins

  • 12. 
    The movement of blood through the heart and body is called circulation.
    • A. 

      True

    • B. 

      False

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