Nervous System Biology Quiz
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Questions and Answers

What is the function of motor nerves?

  • Transmit signals from the brain (correct)
  • Detect environmental changes
  • Serve both sensory and motor functions
  • Transmit information from the body to the CNS

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

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

    • When did nervous tissue first arise in wormlike organisms?

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

    • What are spinal nerves?

    <p>Mixed nerves that serve both sensory and motor functions</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

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