Organization Of The Human Body Quiz

Reviewed by Stephen Reinbold
Stephen Reinbold, PhD, Biological Sciences |
Biology Expert
Review Board Member
Stephen Reinbold has a Ph.D. in Biological Sciences with a particular interest in teaching. He taught General Biology, Environmental Science, Zoology, Genetics, and Anatomy & Physiology for almost thirty years at Metropolitan Community College in Kansas City, Missouri. He particularly enjoyed emphasizing scientific methodology and student research projects. Now, enjoying retirement, he works part-time as an editor while also engaging in online activities.
, PhD, Biological Sciences
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Organization Of The Human Body Quiz - Quiz

The human body is complex to understand. Here we have an organization of the human body quiz for you. Do you think you can pass this test? Play the quiz now and see it for yourself. The spinal cord is one of the most important parts of the human body that connects our brain to our lower back. This quiz will determine how much you know about the human body and its organization with these amazing and informative questions.


Questions and Answers
  • 1. 

    Which part of the nervous system is the control center?

    • A.

      Brain

    • B.

      Heart

    • C.

      Spinal cord

    • D.

      Nerves

    Correct Answer
    A. Brain
    Explanation
    The brain is considered the control center of the nervous system. It is responsible for processing information received from the body's sensory organs, coordinating motor functions, and regulating bodily functions. The brain also plays a crucial role in higher cognitive functions such as memory, learning, and decision-making. Overall, the brain acts as the central command center, receiving and interpreting signals from the body and sending out appropriate responses to maintain homeostasis and ensure proper functioning of the body.

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  • 2. 

    Which of the following shows the correct level of organization in living things?

    • A.

      Tissue, cell, organ, organ system

    • B.

      Cell, organ, organ system, tissue

    • C.

      Tissue, cell, organ system, organ

    • D.

      Cell, tissue, organ, organ system

    Correct Answer
    D. Cell, tissue, organ, organ system
    Explanation
    Living things are organized in a hierarchical manner, with cells being the basic building blocks. Cells combine to form tissues, which then combine to form organs. Organs work together to form organ systems, which carry out specific functions in the body. Therefore, the correct level of organization in living things is cell, tissue, organ, and organ system.

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  • 3. 

    Which of the following IS NOT one of the four types of tissues found in the human body?

    • A.

      Muscle

    • B.

      Connective

    • C.

      Epithelial

    • D.

      Nervous

    • E.

      Tissue

    Correct Answer
    E. Tissue
    Explanation
    The question asks for the type of tissue that is NOT found in the human body. The answer is "tissue" itself, as it is not a specific type of tissue, but rather a general term used to refer to a group of cells that perform a similar function. The other options listed (muscle, connective, epithelial, and nervous) are all examples of specific types of tissues that are found in the human body.

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  • 4. 

    The nervous system is comprised of the brain, spinal cord, and nerves.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because the nervous system is indeed made up of three main components: the brain, spinal cord, and nerves. The brain is responsible for processing information and controlling bodily functions, while the spinal cord acts as a pathway for transmitting signals between the brain and the rest of the body. Nerves extend from the spinal cord and carry messages to and from different parts of the body, allowing for communication and coordination. Therefore, the given answer is true.

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  • 5. 

    Which organ system provides protection from injury and water loss and physical defense against infection by microorganisms?

    • A.

      Integumentary

    • B.

      Digestive

    • C.

      Nervous

    • D.

      Respiratory

    • E.

      Circulatory

    • F.

      Skeletal

    • G.

      Muscular

    Correct Answer
    A. Integumentary
    Explanation
    The integumentary system provides protection from injury and water loss through the skin, hair, and nails. It also acts as a physical defense against infection by microorganisms by producing sweat, oil, and other substances that can inhibit the growth of bacteria and fungi. The skin acts as a barrier, preventing pathogens from entering the body and causing infection. Additionally, the integumentary system plays a role in regulating body temperature and sensing the environment through receptors in the skin.

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  • 6. 

    In the average person, _______ % of the bodyweight comes from muscles.

    • A.

      20

    • B.

      30

    • C.

      40

    • D.

      50

    Correct Answer
    C. 40
    Explanation
    In the average person, 40% of the bodyweight comes from muscles. This means that muscles make up a significant portion of our overall body weight. Muscles are responsible for movement, stability, and posture, and they play a crucial role in our overall health and fitness. Having a higher percentage of muscle mass can also contribute to a higher metabolic rate, as muscles require more energy to maintain compared to other tissues in the body. Therefore, it is important to engage in regular strength training exercises to maintain and build muscle mass.

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  • 7. 

    Muscles are attached to bones by

    • A.

      Joints

    • B.

      Tendons

    • C.

      Ligaments

    • D.

      Fibers

    Correct Answer
    B. Tendons
    Explanation
    Muscles are attached to bones by tendons. Tendons are strong, fibrous connective tissues that connect muscles to bones. They play a crucial role in transmitting the force generated by the muscles to the bones, allowing movement to occur. Unlike ligaments, which connect bones to other bones, tendons specifically connect muscles to bones. Fibers, on the other hand, are not directly involved in the attachment of muscles to bones.

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  • 8. 

    group of similar cells working together

    • A.

      Tissue

    • B.

      Cell

    • C.

      Organ

    • D.

      Organ system

    Correct Answer
    A. Tissue
    Explanation
    Tissue is the correct answer because it refers to a group of similar cells that work together to perform a specific function. Cells are the basic structural and functional units of living organisms, but they need to work together in groups to carry out more complex tasks. Tissues are then organized into organs, which in turn form organ systems. Therefore, tissue is the most appropriate term to describe a group of similar cells working together.

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  • 9. 

    What 3 types of muscles does the human body have? Check all that apply.

    • A.

      Skeletal

    • B.

      Rough

    • C.

      Cardiac

    • D.

      Smooth

    • E.

      Cardiovascular

    • F.

      Nervous

    Correct Answer(s)
    A. Skeletal
    C. Cardiac
    D. Smooth
    Explanation
    The human body has three types of muscles: skeletal, cardiac, and smooth. Skeletal muscles are attached to bones and allow for voluntary movement. Cardiac muscles are found in the heart and are responsible for its rhythmic contractions. Smooth muscles are found in the walls of organs and blood vessels, and they control involuntary movements such as digestion and blood flow.

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  • 10. 

    structure made of two or more tissues that work together

    • A.

      Tissue

    • B.

      Cell

    • C.

      Organ

    • D.

      Organ system

    Correct Answer
    C. Organ
    Explanation
    An organ is a structure made up of two or more tissues that work together. Tissues are groups of similar cells that perform a specific function, while organs are composed of different tissues that collaborate to carry out a particular task. Therefore, an organ is the correct answer as it best describes a structure made of two or more tissues working together.

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  • 11. 

    organs that work together to serve a common purpose

    • A.

      Tissue

    • B.

      Cell

    • C.

      Organ

    • D.

      Organ system

    Correct Answer
    D. Organ system
    Explanation
    An organ system is a group of organs that work together to serve a common purpose. Each organ within the system has a specific function, and together they perform complex tasks necessary for the body's survival and functioning. This collaboration allows for the efficient coordination of different processes and ensures that the body's needs are met. Examples of organ systems include the respiratory system, digestive system, and circulatory system.

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  • 12. 

    What kind of muscle is the heart?

    • A.

      Skeletal

    • B.

      Rough

    • C.

      Cardiac

    • D.

      Smooth

    • E.

      Cardiovascular

    • F.

      Nervous

    Correct Answer
    C. Cardiac
    Explanation
    The correct answer is cardiac because the heart is made up of cardiac muscle tissue. Cardiac muscle is a specialized type of muscle that is found only in the heart. It is responsible for the contraction and pumping action of the heart, allowing it to pump blood throughout the body. Unlike skeletal muscle, which is under voluntary control, cardiac muscle is involuntary and contracts rhythmically to maintain the heart's pumping function. Therefore, cardiac is the correct answer to describe the type of muscle that the heart is composed of.

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  • 13. 

    What kind of muscle is found in the lining of the stomach?

    • A.

      Skeletal

    • B.

      Rough

    • C.

      Cardiac

    • D.

      Smooth

    • E.

      Cardiovascular

    • F.

      Nervous

    Correct Answer
    D. Smooth
    Explanation
    Smooth muscle is the correct answer because it is the type of muscle found in the lining of the stomach. Smooth muscle is involuntary and non-striated, meaning it lacks the characteristic striped appearance of skeletal muscle. It is responsible for the contraction and relaxation of the stomach, allowing for the movement and digestion of food.

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  • 14. 

    The basic unit of life

    • A.

      Tissue

    • B.

      Cell

    • C.

      Organ

    • D.

      Organ system

    Correct Answer
    B. Cell
    Explanation
    A cell is considered the basic unit of life because it is the smallest and most fundamental structure that can carry out all the necessary functions of living organisms. Cells are the building blocks of tissues, organs, and organ systems, and they are responsible for carrying out essential processes such as metabolism, reproduction, and response to stimuli. Without cells, the existence and functioning of higher-level structures in living organisms would not be possible.

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  • 15. 

    Which organ system collects, transfers, and processes information?

    • A.

      Integumentary

    • B.

      Digestive

    • C.

      Nervous

    • D.

      Respiratory

    • E.

      Circulatory

    • F.

      Skeletal

    • G.

      Muscular

    Correct Answer
    C. Nervous
    Explanation
    The nervous system is responsible for collecting, transferring, and processing information in the body. It consists of the brain, spinal cord, and nerves, which work together to receive sensory input, transmit signals, and coordinate responses. This system allows us to sense our environment, make decisions, and control our body's actions.

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  • 16. 

    Another name for your fingers and toes is your phalanges.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because phalanges are the bones that make up our fingers and toes. Each finger and toe consists of three phalanges, except for the thumb and big toe which have two. Therefore, phalanges are indeed another name for our fingers and toes.

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  • 17. 

    The radius, located in your leg, is the longest bone in the body.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false because the radius is not located in the leg; it is actually located in the forearm. The longest bone in the body is the femur, which is located in the thigh.

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  • 18. 

    Capillaries are the largest blood vessels.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Capillaries are actually the smallest blood vessels, not the largest. Capillaries are thin and narrow, allowing for the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues. They connect the smallest arteries (arterioles) to the smallest veins (venules) in the circulatory system. The larger blood vessels in the body include the arteries, which carry oxygenated blood away from the heart, and the veins, which carry deoxygenated blood back to the heart. Therefore, the statement that capillaries are the largest blood vessels is false.

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  • 19. 

    The organ system that is composed of the trachea, larynx, pharynx, and lungs?

    • A.

      Integumentary

    • B.

      Digestive

    • C.

      Nervous

    • D.

      Respiratory

    • E.

      Circulatory

    • F.

      Skeletal

    • G.

      Muscular

    Correct Answer
    D. Respiratory
    Explanation
    The correct answer is respiratory because the organs mentioned in the question (trachea, larynx, pharynx, and lungs) are all part of the respiratory system. This system is responsible for the exchange of oxygen and carbon dioxide in the body, allowing for breathing and the supply of oxygen to the bloodstream.

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  • 20. 

    You have more bones as an adult than you do as a baby.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    As a baby, you have more bones than as an adult. This is because some of the bones in a baby's body are not fully fused together yet. Over time, these bones fuse together to form larger, stronger bones. Therefore, the statement is false.

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  • 21. 

    Blood cells are manufactured in some bones.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Blood cells are manufactured in the bone marrow, which is found in some bones such as the sternum, ribs, and pelvic bones. The bone marrow contains stem cells that can differentiate into different types of blood cells, including red blood cells, white blood cells, and platelets. These blood cells are essential for carrying oxygen, fighting infections, and clotting. Therefore, it is true that blood cells are manufactured in some bones.

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  • 22. 

    Digestion begins in the stomach.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Digestion actually begins in the mouth, not the stomach. The process of digestion starts with chewing and the secretion of saliva in the mouth, which helps to break down food and initiate the process of breaking down nutrients. Once food is swallowed, it travels down the esophagus and into the stomach, where further digestion takes place. However, the initial breakdown of food through chewing and salivary enzymes occurs in the mouth, making the statement false.

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  • 23. 

    _______ muscle is seen attached to the bone.

    • A.

      Skeletal

    • B.

      Rough

    • C.

      Cardiac

    • D.

      Smooth

    • E.

      Cardiovascular

    • F.

      Nervous

    Correct Answer
    A. Skeletal
    Explanation
    Skeletal muscle is seen attached to the bone because it is responsible for movement and provides support to the skeletal system. Skeletal muscle is a type of voluntary muscle that is under conscious control. It is attached to bones by tendons and helps in locomotion, maintaining posture, and generating heat. Unlike smooth muscle, which is found in the walls of organs and blood vessels, skeletal muscle is striated and has a multinucleated structure. Cardiac muscle, on the other hand, is found only in the heart and is responsible for involuntary contractions.

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  • 24. 

    Which of these organ systems is composed of the heart, blood vessels, and blood?

    • A.

      Integumentary

    • B.

      Digestive

    • C.

      Nervous

    • D.

      Respiratory

    • E.

      Circulatory

    • F.

      Skeletal

    • G.

      Muscular

    Correct Answer
    E. Circulatory
    Explanation
    The circulatory system is composed of the heart, blood vessels, and blood. It is responsible for transporting oxygen, nutrients, hormones, and waste products throughout the body. The heart pumps the blood, while the blood vessels act as the pathways for the blood to travel. The blood carries oxygen from the lungs to the rest of the body and removes waste products for excretion. Overall, the circulatory system plays a crucial role in maintaining the body's homeostasis and ensuring the proper functioning of all other organ systems.

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Stephen Reinbold |PhD, Biological Sciences |
Biology Expert
Stephen Reinbold has a Ph.D. in Biological Sciences with a particular interest in teaching. He taught General Biology, Environmental Science, Zoology, Genetics, and Anatomy & Physiology for almost thirty years at Metropolitan Community College in Kansas City, Missouri. He particularly enjoyed emphasizing scientific methodology and student research projects. Now, enjoying retirement, he works part-time as an editor while also engaging in online activities.

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  • Jun 21, 2024
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  • Jan 20, 2014
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