STRESS, ARTWORK. STRESS, ARTWORK The effects of stress on the organism _ the resistance phase. During stress, physical or psychological, the organism reacts in three stages : the alarm phase first reactions to agression with acceleration of cardiac rhythm and breathing, the resistance phase adaptation of the organism when the stress persists and the exhaustion phase disease and death. Stress red activates the hypothalamus , the later stimulates the hypophysis by the intermediary of corticostimul