Nervous system crossword

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Across
  1. 5. most important part of an object, movement, or group, forming the basis for its activity and growth.
  2. 6. short branched extension of a nerve cell
  3. 8. Cord the cylindrical bundle of nerve fibers and associated tissue which is enclosed in the spine
  4. 9. a structure that is located at the back of the brain
  5. 10. nervous system voluntary control of the body movements and the use of skeletal muscles.
Down
  1. 1. a chemical substance that is released at the end of a nerve fiber
  2. 2. long slender projection of a nerve cell, or neuron
  3. 3. junction between two nerve cells
  4. 4. controls your ability to think, talk, feel, see, hear, remember things, walk and much more.
  5. 7. the principal and most anterior part of the brain in vertebrates