The Nervous System and Endocrine System

123456789
Across
  1. 4. A chemical messenger produced by the endocrine system
  2. 6. The sensory and motor nerves that connect the brain and the spinal cord to the rest of the body
  3. 7. This controls the bodies skeletal muscles
  4. 8. One of the bodies two communication system that communicates to organs through chemical messengers through the blood stream
  5. 9. The endocrine system that controls other endocrine glands
Down
  1. 1. The division of the peripheral nervous system that controls the glands and muscles of the internal organs
  2. 2. The part of the autonomic nervous system that calms the body to its relaxing state
  3. 3. The brain and spinal cord
  4. 5. The part of the autonomic nervous system that arouses the body to deal with potential treats