Quiz For 2nd To 4th Grade Over The SySTEMs And Organs Of The Body

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| By SueHolt
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SueHolt
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Quizzes Created: 1 | Total Attempts: 612
Questions: 10 | Attempts: 612

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4th Grade Quizzes & Trivia

This is a quiz for 2nd to 4th grade over the systems and organs of the body.


Questions and Answers
  • 1. 

    How large can the lungs of an adult blow up to be?

    • A.

      A basketball

    • B.

      A golfball

    • C.

      A baseball

    Correct Answer
    A. A basketball
    Explanation
    The lungs of an adult can expand to be as large as a basketball. This is because the lungs are highly elastic and can stretch to accommodate a large volume of air during inhalation. The expansion of the lungs allows for efficient gas exchange and oxygenation of the blood.

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  • 2. 

    What is the system that digests our food called?

    • A.

      The respiratory system

    • B.

      The skeletal system

    • C.

      The digestive system

    Correct Answer
    C. The digestive system
    Explanation
    The correct answer is the digestive system. The digestive system is responsible for breaking down food into nutrients that can be absorbed by the body. It includes organs such as the stomach, small intestine, and large intestine, as well as glands like the liver and pancreas. The respiratory system is responsible for breathing and the skeletal system is responsible for providing support and protection to the body.

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  • 3. 

    What organ filters the blood to take impurities out?

    • A.

      The kidney

    • B.

      The heart

    • C.

      The stomach

    Correct Answer
    A. The kidney
    Explanation
    The kidney is the organ that filters the blood to remove impurities. It plays a crucial role in maintaining the body's overall balance by filtering waste products, excess water, and toxins from the bloodstream. The kidneys also help regulate blood pressure, produce hormones, and control the levels of electrolytes in the body. Without the kidneys, the body would not be able to effectively remove waste and maintain homeostasis.

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  • 4. 

    What organ stores vitamins and minerals?

    • A.

      The brain

    • B.

      The liver

    • C.

      The small intestine

    Correct Answer
    B. The liver
    Explanation
    The liver is responsible for storing vitamins and minerals in the body. It plays a crucial role in processing and metabolizing nutrients, including storing fat-soluble vitamins like vitamins A, D, E, and K, as well as certain minerals such as iron and copper. The liver acts as a reservoir, releasing these stored nutrients into the bloodstream as needed, ensuring the body has a constant supply of essential vitamins and minerals.

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  • 5. 

    The adult's large intestine is about 5 feet long.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The large intestine in adults is approximately 5 feet long. This is a factual statement about the length of the large intestine in adults, indicating that it is true.

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  • 6. 

    The heart pumps 30 beats every minute in an average size adult.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    That is what an elephant's heart pumps.

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  • 7. 

    The stomach takes 1 hour to do its part of digestion.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    It takes 3 to 5 hours.

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  • 8. 

    Epidermis is another name for your skin.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Epidermis is indeed another name for the skin. It is the outermost layer of the skin and acts as a protective barrier against the external environment. The epidermis is composed of several layers of cells, including keratinocytes, which produce the protein keratin that gives the skin its strength and waterproof properties. Additionally, the epidermis also contains melanocytes, which produce the pigment melanin responsible for skin color. Therefore, the statement "Epidermis is another name for your skin" is true.

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  • 9. 

    Put a check by a sense organ.

    • A.

      Ear

    • B.

      Eye

    • C.

      Heart

    Correct Answer(s)
    A. Ear
    B. Eye
    Explanation
    The correct answer is Ear, Eye. The ear and the eye are both sense organs that allow us to perceive and interpret the world around us. The ear is responsible for our sense of hearing, while the eye is responsible for our sense of sight. Both organs receive external stimuli and send signals to the brain for processing and understanding. The heart, on the other hand, is not a sense organ but a muscular organ that pumps blood throughout the body.

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  • 10. 

    Which two functions belong to the liver?

    • A.

      Pumping blood

    • B.

      Clotting blood

    • C.

      Storing minerals and vitamins

    Correct Answer(s)
    B. Clotting blood
    C. Storing minerals and vitamins
    Explanation
    The liver is responsible for clotting blood as it produces clotting factors that are necessary for the formation of blood clots. Additionally, the liver plays a role in storing minerals and vitamins. It stores iron, copper, and vitamins A, D, E, and K, which are important for various bodily functions.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 18, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jul 28, 2011
    Quiz Created by
    SueHolt
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