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6. What does the PNS (peripheral nervous system) do?

  • Sends messages from the CNS to the rest of the body.
  • Stores memories and emotions
  • Allows the body to rest and relax
  • Responsible for flight or flight responses

7. What does the CNS (central nervous system) do?

  • Responsible for involuntary actions e.g heartbeat
  • Responsible for muscle movement
  • It has the role of sensory activities, storing memories and emotions.
  • Brings messages to the CNS to the rest of the body

8. What does the somatic nervous system do?

  • Controls movement and the body wanting to achieve movement.
  • Allows rest and relaxation
  • Responsible for flight or flight response
  • Sends messages to the CNS and rest of the body

9. What are the functions of the CNS?

  • Allows us to control our involuntary movements e.g pupil dilation
  • Controlling emotions, thoughts, movements, and desires. Allows breathing and release of some hormones, and temperature
  • Does not allow breathing and cannot control the temperature of the body
  • Responsible for rest and relaxation e.g digestion

10. What does the peripheral nervous system compose of?

  • Cranial nerves, spinal nerves and peripheral nerves
  • Peripheral nerves, spinal nerves, and spinal cord
  • Relay neurons, motor neurons, and spinal nerves
  • Relay neurons, sensory neurons, and motor neurons