What are all the function of the nervous system

Nervous system consists of the brain, spinal cord, sensory organs (nervous tissues) and the nerves that establish a connection between nervous tissues with all the other body parts. Following is a list of functions of the Nervous System:

1) Communication between different parts of the brain

2) Communication between different body organs with the brain

3) Receiving sensation and response generation

4) Initiating movement by signaling muscles of the body

5) Maintaining homeostasis: Maintaining a stable environment within the body e.g temperature, fluids and ions concentration in the blood

6) Sympathetic and parasympathetic functions

7) Integration

8) Controlling all the body functions!

because the light is a great source of energy for the plants to survive. (i hope this )