1. Body Systems
The nervous system has two main divisions. The central nervous system (CNS) consists of the brain, spinal cord. The peripheral nervous system (PNS) gathers information from inside and outside your body. ... Using drugs and alcohol can destroy brain cells and nervous system disorders. ... Other disorders of the nervous system may not be progressive or degenerative. ...
- Word Count: 1261
- Approx Pages: 5
- Grade Level: High School