Nervous System Overview
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Nervous System Overview

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Questions and Answers

Which part of the nervous system is activated in cases of emergencies to mobilize energy?

  • Enteric nervous system
  • Somatic nervous system
  • Central nervous system
  • Autonomic nervous system (correct)

    • What are the nerves that transmit signals from the brain called?

  • Motor nerves (correct)
  • Mixed nerves
  • Sensory nerves
  • Efferent nerves

    • What arose in wormlike organisms about 550 to 600 million years ago?

  • Peripheral nervous system
  • Central nervous system
  • Endocrine system
  • Nervous tissue (correct)

    • Which subsystem of the peripheral nervous system mediates voluntary movement?

    <p>Somatic nervous system</p> Signup and view all the answers

    What is the main function of the parasympathetic nervous system?

    <p>Activate when organisms are in a relaxed state</p> Signup and view all the answers

    Which part of the nervous system consists of the brain and spinal cord?

    <p>Central nervous system (CNS)</p> Signup and view all the answers

    What are the nerves that transmit signals from the body to the CNS called?

    <p>Sensory nerves or afferent nerves</p> Signup and view all the answers

    Which subsystem of the peripheral nervous system is further subdivided into sympathetic and parasympathetic nervous systems?

    <p>Autonomic nervous system</p> Signup and view all the answers

    What arose in wormlike organisms about 550 to 600 million years ago?

    <p>Nervous tissue</p> Signup and view all the answers

    What are the nerves that serve both functions of transmitting signals from the brain and from the body to the CNS called?

    <p>Mixed nerves</p> Signup and view all the answers

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