The Intricate Nervous System
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Questions and Answers

What is the function of motor nerves?

  • Transmit environmental changes to the body
  • Serve both sensory and motor functions
  • Connect the CNS to every other part of the body
  • Transmit signals from the brain (correct)

    • What does the peripheral nervous system (PNS) mainly consist of?

  • Sensory organs
  • Brain and spinal cord
  • Endocrine system
  • Nerves (correct)

    • When did nervous tissue first arise?

  • 1 billion years ago
  • 100 million years ago
  • 550 to 600 million years ago (correct)
  • 200 to 300 million years ago

    • What are the two main parts of the vertebrate nervous system?

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

    What is the function of sensory nerves?

    <p>Transmit information from the body to the CNS</p> Signup and view all the answers

    What is the function of motor nerves?

    <p>Transmit signals from the brain</p> Signup and view all the answers

    What is the main function of the peripheral nervous system (PNS)?

    <p>Connect the CNS to the rest of the body</p> Signup and view all the answers

    What are spinal nerves primarily responsible for?

    <p>Transmitting both sensory and motor signals</p> Signup and view all the answers

    What does the central nervous system (CNS) consist of in vertebrates?

    <p>Brain and spinal cord</p> Signup and view all the answers

    What is the function of sensory nerves?

    <p>Transmit information from the body to the CNS</p> Signup and view all the answers

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