Human Body Systems Quiz
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Questions and Answers

What is the main function of the nervous system?

  • Controlling many of the body's functions (correct)
  • Fighting off diseases and infections
  • Covering the whole body
  • Breaking down food to give nutrients to the body
  • How fast does the nervous system transmit signals?

  • 20 meters per second
  • 50 meters per second
  • 200 meters per second
  • 100 meters per second (correct)
  • What is a fun fact about the digestive system?

  • Your skin is thickest on your feet and thinnest on your eyelids
  • The stomach can hold up to 4 pounds of food at one time (correct)
  • A female can give birth to about 35 babies in a lifetime
  • The knee is the largest joint in the body
  • What is the main function of the immune system?

    <p>Fighting off diseases and infections</p> Signup and view all the answers

    What is the main function of the musculoskeletal system?

    <p>Protects vital organs</p> Signup and view all the answers

    How many pain receptors are there in 1 square inch of skin?

    <p>1300</p> Signup and view all the answers

    What is the largest joint in the body?

    <p>Knee</p> Signup and view all the answers

    What can reduce sexual function according to the text?

    <p>Alcoholism, smoking, and drug abuse</p> Signup and view all the answers

    Which body system is responsible for fighting off diseases and infections?

    <p>Immune System</p> Signup and view all the answers

    What is the primary role of the nervous system?

    <p>Controls many of the functions of your body</p> Signup and view all the answers

    Where is the skin thickest according to the text?

    <p>Feet</p> Signup and view all the answers

    What is the primary function of the reproductive system?

    <p>Allows people to make babies in order to sustain the species</p> Signup and view all the answers

    What is the capacity of the stomach in terms of food it can hold at one time?

    <p>Up to 4 pounds of food</p> Signup and view all the answers

    What is the largest bone in the human body?

    <p>Femur</p> Signup and view all the answers

    What is the main role of the integumentary system?

    <p>Covers the whole body</p> Signup and view all the answers

    How does the immune system remember harmful invaders?

    <p>It remembers every harmful invader so it knows how to fight it off</p> Signup and view all the answers

    What effect do alcoholism, smoking, and drug abuse have on sexual function?

    <p>Greatly reduce sexual function</p> Signup and view all the answers

    What is the speed at which the nervous system transmits signals?

    <p>100 meters per second</p> Signup and view all the answers

    How many pain receptors are there in 1 square inch of skin?

    <p>1300</p> Signup and view all the answers

    What are the primary functions of the cell membrane?

    <p>Act as a guard, let certain molecules into the cell, and store excess food</p> Signup and view all the answers

    Name the four types of tissues and briefly describe their functions.

    <p>Epithelial (covers body surfaces), Connective (provides support), Muscle (provides movement and support), Nervous (conducts and coordinates body information)</p> Signup and view all the answers

    Describe the characteristics of Squamous cells.

    <p>Flat shape</p> Signup and view all the answers

    What is the function of Collagen in connective tissue?

    <p>Provides strength</p> Signup and view all the answers

    Name the three types of muscle tissue and their locations in the body.

    <p>Smooth (linings of blood vessels and tubular organs), Cardiac (muscle of the heart), Skeletal (attached to bone)</p> Signup and view all the answers

    What are the two types of cells in nervous tissue and their respective functions?

    <p>Neurons (transmit impulses throughout the body), Neuroglia (assist neurons)</p> Signup and view all the answers

    Define Transitional cells and describe their notable characteristic.

    <p>Type of epithelial noted for its ability to expand and recoil</p> Signup and view all the answers

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