Human Anatomy & Physiology Ch.5: The Skeletal System
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Questions and Answers

What are the two main divisions of the skeletal system?

  • Upper and lower skeleton
  • Axial and appendicular skeleton (correct)
  • Vertebral and pelvic skeleton
  • Cranial and facial skeleton

    • Which function describes bones as 'steel girders and reinforced concrete of the body'?

  • Production of blood cells
  • Protection of internal organs
  • Storage of minerals
  • Support of the body (correct)

    • What are the major anatomical areas of a long bone?

  • Diaphysis, epiphysis, metaphysis (correct)
  • Femur, tibia, fibula
  • Ulna, radius, humerus
  • Cranium, mandible, ribs

    • What is the role of bone salts and the organic matrix in bone structure?

    <p>Provide flexibility and tensile strength</p> Signup and view all the answers

    Briefly describe the process of bone formation and remodeling.

    <p>Ossification is the formation of new bone tissue, while remodeling involves reshaping existing bones.</p> Signup and view all the answers

    Which classification includes bones that act as pillars to support the body trunk when standing?

    <p>Long bones</p> Signup and view all the answers

    What is the main function of bones in the human body?

    <p>All of the above</p> Signup and view all the answers

    Which bone classification is generally cube-shaped?

    <p>Short bones</p> Signup and view all the answers

    Where does blood cell formation primarily occur in bones?

    <p>Within the marrow cavities</p> Signup and view all the answers

    Which type of bone tissue looks smooth and homogeneous?

    <p>Compact bone</p> Signup and view all the answers

    What is the main function of the rib cage in relation to bones?

    <p>Protection of vital organs like the heart and lungs</p> Signup and view all the answers

    Which classification of bones is typically longer than wide?

    <p>Long bones</p> Signup and view all the answers

    What is the function of osteoclasts in bone tissue?

    <p>Destroying bone matrix for remodeling</p> Signup and view all the answers

    Which part of a long bone allows for growth during childhood?

    <p>Epiphyseal plate</p> Signup and view all the answers

    What is the main process responsible for bone formation?

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

    Where are osteocytes, mature bone cells, located?

    <p>In concentric circles around the central canal</p> Signup and view all the answers

    What is the primary function of osteoblasts in bone tissue?

    <p>Forming new bone tissue</p> Signup and view all the answers

    Which part of the skeleton primarily remains as hyaline cartilage in adults?

    <p>Bridge of the nose</p> Signup and view all the answers

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