Musculoskeletal System Overview
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Questions and Answers

What is the function of tendons in the human musculoskeletal system?

  • Facilitate body movements
  • Connect muscles to bones (correct)
  • Attach bone to bone
  • Connect bones to bones and prevent friction
  • Which type of muscle makes up about half of the human body weight?

  • Cardiac muscle
  • Smooth muscle
  • Skeletal muscle (correct)
  • Connective muscle
  • What is the role of ligaments in the musculoskeletal system?

  • Attach muscles to bones
  • Support blood circulation
  • Connect bones to bones (correct)
  • Facilitate joint movements
  • Which type of muscle is considered involuntary and forms the heart wall?

    <p>Cardiac muscle</p> Signup and view all the answers

    What is the function of connective tissues in the musculoskeletal system?

    <p>Favor positions and movements</p> Signup and view all the answers

    How do joints and cartilages contribute to the musculoskeletal system?

    <p>Prevent friction between bones</p> Signup and view all the answers

    Which type of muscles are controlled unconsciously and control the flow of substances within lumens?

    <p>Smooth muscles</p> Signup and view all the answers

    What is the role of troponin in muscle contraction?

    <p>Forms cross bridges with actin</p> Signup and view all the answers

    What type of muscle fibers are innervated by a single motor axon?

    <p>Skeletal muscle fibers</p> Signup and view all the answers

    What is the primary function of skeletal muscles?

    <p>Generate muscle contractions and movement</p> Signup and view all the answers

    Which proteins work together to generate muscle contractions and movement in muscle tissue?

    <p>Myosin and actin</p> Signup and view all the answers

    What causes the muscle fibers to contract and generate during muscle contraction?

    <p>Myosin converts chemical energy into mechanical energy</p> Signup and view all the answers

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