Definition
Main Function of Nervous System
- Coordinates and regulates body functions and activities and how we react to surroundings (respond to stimuli)
- Regulates bodily functions and activities and how we react to surroundings (respond to stimuli)
- Nervous system consists of well developed brain, spinal cord, spinal nerves and sense organs.
- these sense organs detect changes in environment (detect stimuli)
Humans → many activities → heartbeat, peristalsis, breathing → automatic and not controlled consciously. they are involuntary actions
activities that are controlled consciously are called voluntary actions
Both involuntary and voluntary actions are controlled by human nervous system