<prompt> GAS relates to :How we achieve homeostasisHow well we adapt to new situationsPattern followed by physiological response to stressPath of stress ANS autonomic nervous system when we are aroused by a stressful situation  <response>: 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 bodys 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. 