Answer the following question given this paragraph: 

Diseases of the nervous system include infections, epilepsy, strokes, and Alzheimer’s disease. Injuries include concussions and spinal cord damage that may cause paralysis. Most nervous system diseases can’t be prevented, but many nervous system injuries can be prevented by following safe practices.


Q: Diseases of this system include epilepsy, strokes, and alzheimer’s disease

 Choices:

- infectious system

- circulatory system

- endocrine system

- nervous system

A:
nervous system
