Empty stomachs contract, causing both hunger pangs and the secretion of chemical messages that travel to the brain to serve as a signal to initiate feeding behavior. this is an example of
a. a genetic disorder that results in persistent feelings of intense hunger and reduced rates of metabolismb. binge eating behavior that is followed by an attempt to compensate for the large amount of food consumedc. how physiological mechanisms serve as the basis for hungerd. the amount of energy that is expended in a given period of time