Neurones and the nervous system

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Across

4. Gap in the myelin sheath of a myelinated neurone (4,2,7)

10. Type of neurone that trasmits impulses towards CNS (7)

11. Elongated nerve fibres that transmit impulses away from the cell body of a neurone (4)

12. Insulating layer around certain neurones (6,6)

13. Referring to the part of the nervous system that is made up of motor neurones and sensory neurones (10)

14. Referring to the part of the nervous system consisting of the brain, spinal cord and relay neurones (7)

Down

1. Type of neurone that trasmits impulses towards CNS (5)

2. Referring to the part of the autonomic nervous system involved in ‘rest or digest’ self-maintenance, relaxing responses (15)

3. Extensions from neurone cell body that transmit electrical impulses towards cell body (7)

5. Referring to the part of the autonomic nervous system involved in ‘fight or flight’ responses (11)

6. Referring to the part of the peripheral nervous system that is not under conscious control (9)

7. Cell that produces myelin sheath (7,4)

8. Referring to the part of the peripheral nervous system that is under conscious control (7)

9. Junction where two neurones meet (7)

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