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6. Which part of the neurone carries the nerve impulse?

  • Nucleus
  • Axon
  • Sheath
  • Branching dendrites

7. What is the name of the branched endings of the neurones?

  • Dendrites
  • Synapse
  • Effectors
  • Sheaths

8. Which type of neurone carries impulses to an effector?

  • Motor neurone
  • Sensory neurone
  • Relay neurone
  • Effectors

9. How are nerve impulses carried?

  • In neurons
  • By a reflex arc
  • In the blood
  • By the brian

10. What happens when an impulse reaches a neurone?

  • It triggers the release of transmitter substances
  • It sets off the effector
  • It sends information to the next neurone
  • The neurones bind together

11. Someone picks up a hot plate: by reflex they instantly drop it. What is the stimulus in this situation?

  • Bicep muscle
  • Sensory neurone
  • Hot plate
  • Hand

12. Why do neurones have fatty sheaths?

  • So neurones don't get too close together
  • So electrical impulses don't cross over
  • So electrical impulses get to the second neurone faster
  • So the axon's of the neurones don't get tangled together