Answer:
benefits are lot
it makes us healthier and stronger
it makes us fit
it makes us a good mental system
Answer: The 3 parts of the nervous system are the central nervous system (NS), peripheral (NS), and the Automatic (NS). The central nervous system includes the brain and spinal cord and it Receives, interprets, processes, and creates messages. The peripheral (NS) carries impulses (messages) to and from the central (NS). And the automatic (NS) creates involuntary responces based on what signals the Central (NS).
Activated when they recognize small components of antigens
