The nervous system

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Across
  1. 3. The cyndrical bundle of nerve fibres and associated tissue that connects nearly all parts of the body
  2. 10. The branch of medecine concerned with the treatment of disease and the action of remedial agents
  3. 11. The network of nerve cells and fibres which transmits nerve impulses between parts of the body
  4. 13. A specialized cell transmitting nerve impulses
  5. 14. A room or a bulding equipped for scientific experiments
  6. 17. The studies of nervous system
  7. 18. A structure containing a number of nerve cell bodies, typically linked by synapses
  8. 19. The physical structure, including the bones, flesh and organs
  9. 20. The part of the brain at the back of the skull in vertebrates which coordinates and regulates muscular activity
Down
  1. 1. The process of increasing in size
  2. 2. The intellectual and practical activity encompassing study of the structure and behaviour of the physical and natural world through observation and experiment
  3. 4. A particular quality or disposition regarded as adversaly affecting a person or a group of people
  4. 5. A disease of the brain that mainly affects old people and results in the gradual loss of memories
  5. 6. An organ of soft nervous tissue contained in the skull of vertebrate
  6. 7. A whitish fibre or bundle or fibre in the body that transmits impulses of sensation to the brain
  7. 8. system The organs and process of the body that provide resistance to infection and toxins
  8. 9. The elongated ridges on the floor of each lateral ventricle of the brain
  9. 12. Ability to perceive
  10. 15. A group of atoms bonded together
  11. 16. The outer layer of the cerbrum, composed of folded grey matter and playing an important role in conciousness