Body systems

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Across
  1. 3. part of the nervous system outside the CNS
  2. 4. nerve cells
  3. 5. tiny tubes that a gland releases its chemical into
  4. 7. a place where a neuron transfers a nerve impulse to another structure
  5. 8. part of the nervous system that includes brain and spinal cord
  6. 10. automatic response that occurs without conscious control
  7. 12. part of the brain that links the nervous and endocrine system
  8. 13. a chemical produced by an endocrine gland
Down
  1. 1. message that a neuron carries
  2. 2. a bundle of nerve fibers
  3. 3. gland that works with the hypothalamus to control many body activities
  4. 6. cells that are able to recognize a hormones chemical structure
  5. 9. type of feedback in which a system is turned off by the condition its produces
  6. 11. an organ that produces or releases a chemical