Basic meaning
The nervous system is the dominant function regulating system in human body. Human are extremely complicated, the structure and the function of human body each organ in the body's nervous system, the function of the system and all kinds of physiological processes are not isolated, but in the nervous system of adjusting control, directly or indirectly linked to each other and influence each other, close cooperation, make the body a complete unified organism, implement and maintain normal life activities. At the same time, the human is living in a constantly changing environment, the nervous system can feel the change in the external environment, to accept the change of internal and external environment information, the functions in the body to adjust quickly and improve constantly, make human body to adapt to the change of environment in vivo and in vitro. It can be seen that the nervous system plays a leading role in regulating human life.