Across
- 4. directs involuntary response to dangerous or stressful situations
- 5. a large complex organ that controls all movement and thought
- 7. a fiber or bundle of fibers that transmits impulses of sensation to the brain or spinal cord
- 8. a short branch or extension of a nerve cell
- 9. control system that regulates bodily functions
- 11. controls voluntary movements of the body via skeletal muscles
Down
- 1. consists of nerves and ganglia outside the brain and spinal cord
- 2. one of the three divisions of the autonomic nervous system it conserves energy as it slows the heart rate
- 3. consists of the brain or spinal cord and plays a central role in the control of the body
- 6. a type of cell that transmits signals between cells and organs
- 10. a junction between nerve cells