GAS relates to :

D i.e. Path of stress ANS (autonomic nervous system) when we are aroused by a stressful situation: General adaptation syndrome (GAS) is seen in stressful situationsQGeneral Adaptation Syndrome (GAS)- Hans Selye (1945) developed a model of stress that he called the general adaptation syndrome (GAS) and postulated that the hypophyseal - adrenocoical axis responded to various types of physical and psychological stress with hormonal changes that can ultimately cause organic diseases such as rheumatoid ahritis & peptic ulcer. Syele viewed these diseases as a byproduct of the body's attempt to adapt to stress from any source and thought aderenal coical hormones responsible for the physiological reaction.Selye considered stress a nonspecific bodily response to any demand caused by either pleasant or unpleasant conditions. He believed that stress need not always be unplasant; and called unpleasant stress distress. Accepting both types of stress requires adaptation.