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COORDINATION AND RESPONSE

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    NEURONS AND SYNAPSE
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  • Which part of the neurone receives the nerve impulse from other cells?
    Dendrite
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  • What is the function of the myelin sheath?
    It insulates the axon and speeds up impulse transmission.
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  • Name the small gaps between the myelin sheath that help speed up impulses.
    Node of Ranvier
  •  15
  • Label this part of the motor neurone
    Axon
  •  15
  • Which neurone carries impulses from receptors to the central nervous system?
    Sensory neurone
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  • What is the function of a motor neurone?
    It carries impulses from the CNS to effectors like muscles or glands.
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  • It carries impulses from the CNS to effectors like muscles or glands.
    Because neurotransmitters are only released from the axon terminal and bind to receptors on the next neurone.
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  • What could happen if impulses were allowed to travel both ways at the synapse?
    It could cause confusion in signal direction and disrupt body responses.
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