The Nervous System
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Questions and Answers

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

  • Motor nerves
  • Sensory nerves
  • Central nervous system (CNS) (correct)
  • Peripheral nervous system (PNS)

    • Which type of nerves transmit signals from the brain?

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

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

  • Coordinate actions and sensory information
  • Transmit signals to and from different parts of the body (correct)
  • Detect environmental changes
  • Respond to environmental changes

    • When did nervous tissue first arise in wormlike organisms?

    <p>550 to 600 million years ago</p> Signup and view all the answers

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