3 main function of central nervous system

1. Control of body movements: The central nervous system is responsible for controlling and coordinating body movements, including walking, talking, and breathing.

2. Processing of sensory information: The central nervous system is responsible for interpreting sensory information from the environment and the body, such as sight, sound, and touch.

3. Regulation of homeostasis: The central nervous system is responsible for maintaining homeostasis, or the body's internal balance, by controlling the body's physiological processes, such as heart rate, blood pressure, and body temperature.