Across
- 4. Includes the brain and spinal cord which are encased in bone for protection
- 6. Conjunction with adjacent brain area, controls the other endocrine glands
- 8. Part of the automatic nervous system that calms the body
- 9. The division of the PNS that controls the glands and muscles of the internal organs
Down
- 1. Chemical messengers that circulate throughout the body in the blood
- 2. Contains all sensory nerves and motor nerves that connect the brain and the spinal cord to the rest of the body
- 3. The division of the PNS that controls the body's skeletal muscles
- 5. Set of glands that produce hormones
- 7. Part of the autonomic nervous system that arouses the body to deal with perceived threats