What is the autonomic nervous system (ans)?

Dizzy spells: The function of the autonomic system is to maintain blood pressure and integrety of the circulation. Although there are people whose autonomic systems malfunction without a reason, usually it is due to a neuropathy from diabetes.

Autonomic nervous: System is the part of the peripheral nervous system that controls the "automatic" body functions -- heart rate, respiration, digestion, perspiration, hormone secretion, etc, versus the motor nervous system that controls voluntary movement. Biofeedback research has proven that even many ANS functions can be consciously affected or trained -- www.Bcia.Org or www.Aapb.Org.