How The Body Works

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How The Body Works - Quiz


How the Body Works by Reader's Digest books


Questions and Answers
  • 1. 

    Which body system helps protect the body from harmful rays and infection, deeps in body fluids, and senses touch?

    • A.

      Integumentary

    • B.

      Skeletal

    • C.

      Nervous/sensory

    Correct Answer
    A. Integumentary
    Explanation
    The integumentary system is responsible for protecting the body from harmful rays and infection, as well as regulating body temperature. It consists of the skin, hair, nails, and glands. The skin acts as a barrier against harmful UV rays and pathogens, preventing them from entering the body. It also produces sweat and oil, which help to keep the skin moisturized and inhibit the growth of bacteria. Additionally, the skin contains sensory receptors that allow us to perceive touch, pressure, and temperature. Therefore, the integumentary system encompasses all the functions mentioned in the question.

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  • 2. 

    Which body system makes movement possible?

    • A.

      Lymphatic

    • B.

      Hormonal

    • C.

      Muscular

    Correct Answer
    C. Muscular
    Explanation
    The muscular system makes movement possible. Muscles are responsible for generating force and enabling the body to move. They work in coordination with the skeletal system to produce voluntary movements, such as walking or lifting objects, as well as involuntary movements, such as the beating of the heart or digestion. Without the muscular system, the body would be unable to perform any kind of movement.

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  • 3. 

    Which body system support the framework of the body?

    • A.

      Muscular

    • B.

      Skeletal

    • C.

      Nervous/sensory

    Correct Answer
    B. Skeletal
    Explanation
    The skeletal system is responsible for providing support and structure to the body. It consists of bones, cartilage, ligaments, and tendons that work together to form the framework of the body. The skeletal system also protects vital organs, produces blood cells, and allows for movement through its joints. The muscular system, on the other hand, is responsible for movement and generating force. The nervous/sensory system is responsible for transmitting signals and coordinating bodily functions. Therefore, the correct answer is skeletal.

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  • 4. 

    Which body system transports bloos, distributing hundreds of substances, such as life-giving oxygen and body-building nutrients?

    • A.

      Hormonal

    • B.

      Lymphatic

    • C.

      Circulatory

    Correct Answer
    C. Circulatory
    Explanation
    The circulatory system is responsible for transporting blood throughout the body, distributing essential substances such as oxygen and nutrients. It consists of the heart, blood vessels, and blood. The heart pumps oxygenated blood from the lungs to the rest of the body, while deoxygenated blood is carried back to the heart. This system plays a crucial role in maintaining the overall health and functioning of the body by delivering vital resources to various organs and tissues.

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  • 5. 

    Which body system is the control center, "wired in" by the nerves, that receives information from sense organs such as the eyes and ears?

    • A.

      Nervous/sensory

    • B.

      Lymphatic

    • C.

      Hormonal

    Correct Answer
    A. Nervous/sensory
    Explanation
    The correct answer is the nervous/sensory system. This system acts as the control center and is connected by nerves to receive information from sense organs like the eyes and ears. It processes this information and sends appropriate signals to other parts of the body, allowing for appropriate responses and actions.

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  • 6. 

    Which body system carries germ-fighting cells?

    • A.

      Integumentary

    • B.

      Lymphatic

    • C.

      Circulatory

    Correct Answer
    B. Lymphatic
    Explanation
    The lymphatic system carries germ-fighting cells. This system consists of lymph nodes, lymph vessels, and lymphatic organs such as the spleen and thymus. It plays a crucial role in the body's immune response by producing and transporting white blood cells, known as lymphocytes, which help fight off infections and diseases. The lymphatic system also helps remove waste and toxins from the body, making it an essential component of the body's defense against pathogens.

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  • 7. 

    Which body system digests food until the pieces are smalle nough to be absorbed by the body?

    • A.

      Circulatory

    • B.

      Hormonal

    • C.

      Digestive

    Correct Answer
    C. Digestive
    Explanation
    The digestive system is responsible for breaking down food into smaller pieces that can be absorbed by the body. It starts in the mouth where food is chewed and mixed with saliva, then continues in the stomach where it is further broken down by stomach acid and enzymes. Finally, in the small intestine, nutrients are absorbed into the bloodstream and transported to the rest of the body. The circulatory system is responsible for transporting these nutrients, but it does not actually digest the food. The hormonal system regulates various bodily functions, but it is not directly involved in the digestion process.

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  • 8. 

    Which body system makes chemicals that control body processes such as growth and blood cell production?

    • A.

      Hormonal

    • B.

      Lymphatic

    • C.

      Integumentary

    Correct Answer
    A. Hormonal
    Explanation
    The correct answer is hormonal. The hormonal system, also known as the endocrine system, is responsible for producing and releasing hormones that regulate various body processes such as growth and blood cell production. These hormones act as chemical messengers, traveling through the bloodstream to target cells and organs, where they help to maintain balance and control in the body. The other options, lymphatic and integumentary systems, do not primarily produce chemicals that control body processes in the same way as the hormonal system.

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  • 9. 

    Which body system breathes fresh air into the lungs and transfers the oxygen from that air into the blood for distribution?

    • A.

      Circulatory

    • B.

      Respiratory

    • C.

      Lymphatic

    Correct Answer
    B. Respiratory
    Explanation
    The respiratory system is responsible for breathing fresh air into the lungs and transferring oxygen from that air into the blood for distribution. The lungs take in oxygen from the air we breathe and release carbon dioxide, a waste product, when we exhale. The oxygen is then transported by the blood to all the cells in the body, where it is used for various metabolic processes.

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  • 10. 

    Which body system gets rid of waste substances?

    • A.

      Circulatory

    • B.

      Reproductive

    • C.

      Excretory

    Correct Answer
    C. Excretory
    Explanation
    The excretory system is responsible for getting rid of waste substances in the body. This system includes organs such as the kidneys, which filter waste products from the blood and produce urine, and the lungs, which eliminate carbon dioxide. Other organs involved in the excretory system include the liver, which processes and eliminates toxins, and the skin, which eliminates waste through sweat. Overall, the excretory system plays a vital role in maintaining the body's balance of fluids and removing harmful waste products.

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  • 11. 

    Which body system makes human reproduction possible?

    • A.

      Reproductive

    • B.

      Lymphatic

    • C.

      Circulatory

    Correct Answer
    A. Reproductive
    Explanation
    The reproductive system is responsible for human reproduction. It includes organs such as the ovaries, testes, uterus, and fallopian tubes, which are involved in the production of eggs and sperm, fertilization, and the development of a fetus. This system plays a crucial role in ensuring the continuation of the human species by facilitating the union of sperm and egg to create a new individual.

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  • Current Version
  • Jun 26, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Jun 03, 2011
    Quiz Created by
    GinBryant
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