Body Systems Ncfe Review

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  • 1/21 Questions

    What is the primary source of genetic information found in a cell?

    • ATP
    • DNA
    • RNA
    • ESP
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About This Quiz

The 'Body Systems NCFE Review' quiz assesses understanding of basic biological concepts, focusing on cell structure, body organization, and physiological responses such as sweating and vomiting reflexes. It is designed to enhance knowledge of human body systems, essential for students in biology and health-related studies.

Body Systems Ncfe Review - Quiz

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  • 2. 

    Cells are the simplest form of life.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Cells are considered the simplest form of life because they are the basic structural and functional units of all living organisms. They are capable of carrying out essential life processes such as growth, reproduction, and metabolism. Cells contain genetic material, which allows them to pass on traits to future generations. Additionally, cells have the ability to respond to their environment and maintain homeostasis. Therefore, it is accurate to say that cells are the simplest form of life.

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  • 3. 
    Use the diagram- Which body system would include the movement and works in coordination with the skeletal system? - ProProfs

    Use the diagram- Which body system would include the movement and works in coordination with the skeletal system?

    • Muscular

    • Digestive

    • Circulatory

    • Respiratory

    Correct Answer
    A. Muscular
    Explanation
    The muscular system would include the movement and works in coordination with the skeletal system. The muscles are attached to the bones and are responsible for the movement of the body. They work together with the skeletal system to provide support, stability, and enable movement. The muscles contract and relax to allow the bones to move, making them an integral part of the body system that is involved in movement and coordination with the skeletal system.

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  • 4. 

    You touch a hot pan on the stove. The immediate reaction of your hand is to pull back from the heat. What body systems are active and working?

    • Muscular and Nervous Systems

    • Respiratory and Digestive Systems 

    • Nervous and Digestive Systems

    • Digestive and Muscular

    Correct Answer
    A. Muscular and Nervous Systems
    Explanation
    When you touch a hot pan on the stove, the nerves in your hand quickly send a signal to your brain through the nervous system. The brain then immediately sends a message back to the muscles in your hand through the nervous system, instructing them to contract and pull your hand away from the heat. This coordinated response involves both the muscular and nervous systems working together to protect your hand from further injury.

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  • 5. 

    Arteries carry blood away from the heart. 

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Arteries are blood vessels that carry oxygenated blood away from the heart to various parts of the body. They have thick, elastic walls that help maintain blood pressure and ensure efficient blood flow. In contrast, veins carry deoxygenated blood back to the heart. Therefore, the statement that arteries carry blood away from the heart is accurate.

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  • 6. 

    Referring to the human body, which complex level of organization (highest level) would contain the lungs?

    • Respiratory system

    • Lung cells

    • Lung tissues

    • Windpipe

    Correct Answer
    A. Respiratory system
    Explanation
    The respiratory system is the correct answer because it is the highest level of organization that contains the lungs. The respiratory system is made up of various organs, including the lungs, which work together to facilitate the process of respiration. The lungs themselves are a part of this larger system and cannot function independently.

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  • 7. 

    How do the digestive and the circulatory system work together within the human body?

    • Digestive system send electrical messages, while the circulatory system responds to the messages

    • Digestive system provides structure for the body, while the circulatory system directs the movement

    • Digestive system removes liquid toxins from body, while the circulatory system removes the solid waste

    • Digestive system extracts nutrients from food, while the circulatory system transports those nutrients

    Correct Answer
    A. Digestive system extracts nutrients from food, while the circulatory system transports those nutrients
    Explanation
    The digestive system extracts nutrients from food through the process of digestion, breaking down food into smaller molecules that can be absorbed by the body. The circulatory system then transports these nutrients to various cells and tissues in the body, providing them with the necessary fuel and building blocks for growth, repair, and maintenance. This collaboration between the digestive and circulatory systems ensures that the body receives the essential nutrients it needs for optimal functioning.

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  • 8. 

    _________________ : soldiers  within the circulatory system

    • White blood cells

    • Red blood cells

    • Plasma

    • Platelets

    Correct Answer
    A. White blood cells
    Explanation
    White blood cells are responsible for protecting the body against infections and diseases. They are part of the immune system and help to fight off harmful bacteria, viruses, and other foreign substances. White blood cells are found within the circulatory system and are able to move freely throughout the body to locate and destroy any potential threats. Unlike red blood cells, which carry oxygen and nutrients, white blood cells are primarily focused on defense and immunity. Plasma is the liquid component of blood, while platelets are responsible for blood clotting.

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  • 9. 

    Which statement describes the organization of living organisms?

    • All organisms are composed of many cells, which are the basic units of structure but do not perform life functions.

    • All organisms are composed of one or more cells, which are the basic units of structure and perform essential life functions.

    • All organisms are composed of many cells that have basic units with unique structures and functions.

    • All organisms are composed of one or more cells with the same shape and purpose but are not the basic units of structure.

    Correct Answer
    A. All organisms are composed of one or more cells, which are the basic units of structure and perform essential life functions.
    Explanation
    All organisms are composed of one or more cells, which are the basic units of structure and perform essential life functions. This statement accurately describes the organization of living organisms. It emphasizes the importance of cells as the building blocks of life and highlights their role in carrying out essential functions necessary for an organism's survival.

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  • 10. 

    A student practicing for the outdoor track team begins to sweat.  To what stimulus is the body responding?

    • An increase in heart rate

    • Increase in body temperature

    • Increase in oxygen demand

    • Increase in breathing rate

    Correct Answer
    A. Increase in body temperature
    Explanation
    The correct answer is increase in body temperature. When the student begins to sweat, it indicates that their body temperature is rising. Sweating is the body's way of cooling down and maintaining a stable internal temperature.

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  • 11. 

    What part of the digestive system first causes chemical changes to food?

    • Teeth 

    • Saliva in the mouth

    • Enzymes in the stomach

    • Enzymes in the small intestine

    Correct Answer
    A. Saliva in the mouth
    Explanation
    Saliva in the mouth first causes chemical changes to food. Saliva contains enzymes, such as amylase, that begin the process of breaking down carbohydrates in the food. These enzymes help to convert complex carbohydrates into simpler sugars, which can be easily absorbed by the body. Additionally, saliva also helps to moisten the food, making it easier to swallow and facilitating the process of digestion.

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  • 12. 

    Which is the highest level of organization?

    • Cells

    • Tissues 

    • Organ

    • Organ systems

    Correct Answer
    A. Organ systems
    Explanation
    Organ systems is the highest level of organization. This is because organ systems are made up of multiple organs that work together to perform specific functions in the body. Cells are the basic building blocks of life, tissues are groups of cells that work together, and organs are made up of different types of tissues. However, organ systems involve the coordination and integration of multiple organs to carry out complex tasks necessary for the overall functioning of the body.

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  • 13. 

    Where is plasma found? 

    • In the blood

    • In bone marrow

    • In your muscles 

    • In your brain

    Correct Answer
    A. In the blood
    Explanation
    Plasma is found in the blood. It is the liquid component of blood that carries various substances such as nutrients, hormones, and waste products throughout the body. Plasma also plays a crucial role in maintaining blood pressure and regulating body temperature.

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  • 14. 

    Which best explains why muscle is considered a tissue?

    • It connects to the bones

    • It can move voluntarily or involuntarily 

    • It interacts with several organ systems

    • It is a group of cells working together

    Correct Answer
    A. It is a group of cells working together
    Explanation
    Muscle is considered a tissue because it is a group of cells working together. Tissues are formed when cells with similar structure and function come together to perform a specific task. In the case of muscle tissue, specialized muscle cells called muscle fibers work together to generate force and produce movement. These cells are organized in a way that allows them to contract and relax, enabling voluntary or involuntary movement. Therefore, the fact that muscle is made up of a group of cells working together makes it a tissue.

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  • 15. 
    Cells in the body are specialized to perform certain functions. Most cells have a certain size & shape related to their purpose within the human body. The diagram below shows one type of cell. Based on the shape, what is the most likely function of this cell? - ProProfs

    Cells in the body are specialized to perform certain functions. Most cells have a certain size & shape related to their purpose within the human body. The diagram below shows one type of cell. Based on the shape, what is the most likely function of this cell?

    • Provide structure and support

    • Carry blood throughout the body

    • Provide a cover over the body tissues

    • Carry impulses throughout the body

    Correct Answer
    A. Carry impulses throughout the body
    Explanation
    The cell in the diagram appears to have long, branching extensions, which are characteristic of nerve cells or neurons. Neurons are specialized cells that transmit electrical impulses throughout the body, allowing for communication between different parts of the body and the brain. Therefore, based on the shape of the cell in the diagram, the most likely function of this cell is to carry impulses throughout the body.

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  • 16. 

    Why does the brain of mammals keep track of temperature of the skin and the blood?

    • Control the activity level of the mammal

    • Guide the mammal to warmer or colder locations

    •  maintain a stable body temperature regardless of air temperature

    • Regulate breathing rate, heart rate in extreme conditions

    Correct Answer
    A.  maintain a stable body temperature regardless of air temperature
    Explanation
    The brain of mammals keeps track of the temperature of the skin and the blood in order to maintain a stable body temperature regardless of the air temperature. This is important because maintaining a stable body temperature is crucial for the overall functioning of the body and its organs. By monitoring the temperature of the skin and blood, the brain can regulate various physiological processes such as sweating or shivering to adjust the body's temperature as needed. This helps to ensure that the body remains within a narrow temperature range that is optimal for its proper functioning.

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  • 17. 

    What is the main function of the vomiting reflex? 

    • Rid the body of wastes 

    • Expel food that has no nutritional value

    • Empty stomach when it has too much food 

    • Remove toxic material from the stomach before it is absorbed

    Correct Answer
    A. Remove toxic material from the stomach before it is absorbed
    Explanation
    The main function of the vomiting reflex is to remove toxic material from the stomach before it is absorbed. When the body detects harmful substances in the stomach, it triggers the vomiting reflex to expel the contents and prevent the absorption of toxins into the bloodstream. This reflex helps to protect the body from ingesting harmful substances and allows for the elimination of potentially dangerous materials.

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  • 18. 

    What is blood clotting made possible by?

    • White blood cells

    • Red blood cells

    • Platelets

    • Plasma

    Correct Answer
    A. Platelets
    Explanation
    Blood clotting is made possible by platelets. Platelets are small cell fragments that circulate in the blood and play a crucial role in the clotting process. When a blood vessel is damaged, platelets are activated and aggregate at the site of injury to form a plug, preventing further bleeding. They also release various substances that initiate a cascade of reactions, leading to the formation of a fibrin clot, which further strengthens the plug. Without platelets, blood clotting would be impaired, leading to excessive bleeding and difficulty in wound healing.

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  • 19. 

    The major function or purpose of B-cells within the body would be to.... 

    • Produce antibodies 

    • Kill off invading threats 

    • They are dangerous to your body and as a result can kill you 

    • None of the above 

    Correct Answer
    A. Produce antibodies 
    Explanation
    B-cells are a type of white blood cell that plays a crucial role in the immune response. Their major function is to produce antibodies, which are proteins that can recognize and neutralize specific pathogens such as bacteria or viruses. Antibodies help to eliminate these invading threats by binding to them and marking them for destruction by other immune cells. Therefore, the correct answer is "produce antibodies."

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  • 20. 

    In the human body, the primary function of this body system is the movement of bones, body fluids, and food....

    • Digestive 

    • Skeletal 

    • Circulatory

    • Muscular

    Correct Answer
    A. Muscular
    Explanation
    The correct answer is Muscular because the primary function of the muscular system in the human body is the movement of bones, body fluids, and food. The muscles contract and relax to allow for movement and to propel substances such as blood and food throughout the body. The digestive system is responsible for the breakdown and absorption of nutrients, the skeletal system provides support and protection for the body, and the circulatory system is responsible for the transportation of blood and nutrients. Therefore, the muscular system is the most appropriate answer based on the given information.

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  • 21. 

    Homeostasis helps to regulate which of the following...

    • Blood pressure

    • Blood sugar

    • Heat/cold (body temperature)

    • Amount of water/salts body has taken in

    Correct Answer(s)
    A. Blood pressure
    A. Blood sugar
    A. Heat/cold (body temperature)
    A. Amount of water/salts body has taken in
    Explanation
    Homeostasis is the body's ability to maintain a stable internal environment. It helps regulate blood pressure by adjusting the diameter of blood vessels and controlling the amount of fluid in the body. It also regulates blood sugar levels by balancing the production and release of insulin and glucagon. Homeostasis plays a crucial role in maintaining body temperature by regulating sweat production, blood flow, and metabolic processes. Additionally, it helps regulate the amount of water and salts in the body through processes like urine production and thirst sensation.

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Quiz Review Timeline (Updated): Mar 15, 2023 +

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

  • Current Version
  • Mar 15, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 10, 2019
    Quiz Created by
    Michelle BYRD
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