Do You Understand Human Blood Circulatory System?

8 Questions

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Do You Understand Human Blood Circulatory System?

Among the many body systems that allow the body to function normally, the circulation system is a very critical one, as failure to function causes death. How well do you understand the human blood circulatory system? Find out below.


Questions and Answers
  • 1. 
    All of the following are parts of the circulatory system except:
    • A. 

      Heart

    • B. 

      Lungs

    • C. 

      Veins

    • D. 

      Eyes

  • 2. 
    What is the main part of the circulatory system?
    • A. 

      Lungs

    • B. 

      Veins

    • C. 

      Heart

    • D. 

      Capillaries

  • 3. 
    What is the circulatory system responsible for? pick the best awnser.
    • A. 

      Transporting materials

    • B. 

      Transporting materials throught your whole body

    • C. 

      Digesting food

    • D. 

      Lets you breath

  • 4. 
    Arteries walls are 
    • A. 

      Thin and elastic

    • B. 

      Thick and muscular

    • C. 

      Thick and elastic

  • 5. 
    Veins walls are
    • A. 

      Thin and elastic

    • B. 

      Thick and muscular

    • C. 

      Thick and elastic

  • 6. 
    Why does blood turn dark red as it circulates through the body?
    • A. 

      It starts to clot.

    • B. 

      It gets old and dirty flowing through the body.

    • C. 

      The oxygen in it is replaced with carbon dioxide.

    • D. 

      The farther blood is from the heart, the more dark red it is.

  • 7. 
    How many major types of blood have scientists discovered?
    • A. 

      One: Type "O"

    • B. 

      Two: white cells and red cells

    • C. 

      Three: white cells, red cells, and plasma

    • D. 

      Four: Types A, B, AB, and O

  • 8. 
    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