Nervous and Endocrine System

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Across
  1. 2. carries signals toward the CNS
  2. 4. mimics a transmitter increases production and stops and slows down reabsorption
  3. 6. division of peripheral nervous system that controls the body’s skeletal muscles
  4. 7. important part of history of our understanding of the brain
  5. 11. chemical messengers that are secreted into the blood
  6. 13. produces hormones that control many functions other than the endocrine glands
  7. 15. blocks receptor sites speeds removal and decreases production
  8. 16. two glands located on the kidney that helps the body cope with physical and emotional stress
  9. 17. nerve cell that is the basic building block of the nervous system
  10. 18. sends signals to calm the cell
  11. 19. chemically controls the various functions of cells tissues and organs
  12. 21. allows positive ions to rush in and negatives to rush out in the cell membrane
Down
  1. 1. small sacs where neurotransmitters are stored
  2. 3. period when the neurons is unable to have another action potential
  3. 5. electrical signal that neurons communicate by
  4. 8. sends signals that stimulates the cell
  5. 9. located in lower part of the neck that regulates the body’s metabolism
  6. 10. carries information away from the CNS
  7. 12. intersection between the axon tip and the dendrite
  8. 14. transmits impulses to the brain and spinal cord from muscles and organs
  9. 20. passes messages from cell body to neurons muscles and glands