Nervous system GCSE

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Across
  1. 3. Organ of the central nervous system coordinating conscious actions and learning
  2. 5. Cell that detects a stimulus. The ones in the skin detects pressure.
  3. 8. Part of the nervous system that is made of neurons and forms a network throughout the body
  4. 10. Type of neuron found only in the CNS
  5. 11. A change in the internal or external environment e.g. temperature, decrease in blood glucose
  6. 12. Specialised cells with axons that transmit electrical impulses throughout the nervous system
  7. 13. Part of the body that carries out a response to a stimulus. Either a muscle or gland.
Down
  1. 1. Type of neuron that transmits output data from CNS to effectors
  2. 2. A gap between two neurons, where electrical impulses cannot cross and instead chemicals do
  3. 4. Type of neuron that transmits input data from receptors to the CNS
  4. 5. Very rapid, unconscious reaction that does not involve the brain
  5. 6. Part of the nervous system made up of two organs that can be described as processing centres
  6. 7. cord Organ of the central nervous system that coordinates reflexes automatically
  7. 9. The reaction that effectors carry out e.g. muscle contracts