Nervous system

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Across
  1. 4. the site of transmission of electric nerve impulses between two nerve cell
  2. 6. is a group of nerves that comes from the spinal cord in the neck and travels down the arm, controlling the arm wrist shoulder and elbow.
  3. 7. They transmit impulses from the spinal cord to skeletal and smooth muscles,controlling our muscle movements.
  4. 8. a short branched extension of a nerve cell.
  5. 10. electrical impulses from the neuron travel away to be received by other neurons.
Down
  1. 1. is an enclosed cable like bundle of nerve fibres called axons.
  2. 2. Is a nerve cell that detects and responds to external signals.
  3. 3. is a column of nerve tissue that runs from the base of the skull down the center of the back.
  4. 5. Pain which runs down one or both legs from the lower back, caused when something’s in the spine presses on the nerve.
  5. 9. receive sensory input from the external world and sending motor commands to our muscles.