Human Skeletal System
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Questions and Answers

What is the main function of the skeletal system?

  • To aid in the digestion of food
  • To regulate body temperature
  • To produce hormones
  • To provide support and protection for the body (correct)
  • Which type of bone is characterized by a shaft and two ends?

  • Long bone (correct)
  • Irregular bone
  • Short bone
  • Flat bone
  • What is the term for the process of bone formation?

  • Osteogenesis
  • Bone growth
  • Ossification (correct)
  • Bone modeling
  • What is the term for the process of bone breakdown and removal?

    <p>Bone resorption</p> Signup and view all the answers

    Which type of bone tissue makes up the outer layer of bones?

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

    What is the term for the cells responsible for bone formation?

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

    What is the function of the scapula in the upper limb?

    <p>To form the posterior part of the shoulder girdle</p> Signup and view all the answers

    Which bone is the longest in the body?

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

    What is the purpose of the patella in the lower limb?

    <p>To protect the knee joint and help extend the leg</p> Signup and view all the answers

    What is the term for the movement of a limb away from the midline of the body?

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

    Which muscles attach to the scapula, humerus, radius, and ulna?

    <p>Muscles of the upper limb</p> Signup and view all the answers

    What is the gait cycle?

    <p>The process of walking, including the stance phase and swing phase</p> Signup and view all the answers

    Which bones form the forearm?

    <p>Radius and ulna</p> Signup and view all the answers

    What is the function of the pelvis?

    <p>To support the spine and attach to the lower limb bones</p> Signup and view all the answers

    Which bones form the ankle joint?

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

    What is the term for the movement of a limb in a circular motion?

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

    Study Notes

    Functions of the Skeletal System

    • Provides support and protection for the body
    • Allows for movement through the attachment of muscles
    • Produces blood cells through the bone marrow
    • Stores minerals such as calcium and phosphorus
    • Maintains pH balance by storing and releasing alkaline salts

    Types of Bones

    • Long bones: characterized by a shaft (diaphysis) and two ends (epiphyses); examples include the femur and humerus
    • Short bones: cube-shaped bones that provide support and stability; examples include the carpals and tarsals
    • Flat bones: thin bones that provide protection and support; examples include the ribs and sternum
    • Irregular bones: bones that do not fit into any other category; examples include the vertebrae and pelvis
    • Sesamoid bones: small bones embedded within tendons; examples include the patella

    Bone Structure

    • Compact bone: dense, compact bone tissue that makes up the outer layer of bones
    • Cancellous bone: spongy, porous bone tissue that makes up the inner layer of bones
    • Bone marrow: the spongy tissue that fills the cavities of bones and produces blood cells
    • Periosteum: the outermost layer of bone that covers the surface of bones
    • Endosteum: the innermost layer of bone that lines the bone marrow cavity

    Bone Development and Growth

    • Ossification: the process of bone formation
    • Endochondral ossification: the process of bone formation through the replacement of cartilage with bone tissue
    • Intramembranous ossification: the process of bone formation through the formation of bone tissue from membranes

    Bone Remodeling

    • Resorption: the process of bone breakdown and removal
    • Formation: the process of new bone tissue formation
    • Osteoclasts: cells responsible for bone resorption
    • Osteoblasts: cells responsible for bone formation

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    Description

    This quiz covers the functions of the skeletal system, types of bones, bone structure, bone development and growth, and bone remodeling. It includes topics such as ossification, bone resorption, and bone formation.

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