ANATOMY

Detailed explanation-1: -The alarm reaction stage of general adaptation syndrome is the body’s initial response to stress. The sympathetic nervous system is activated by the sudden release of hormones. You may better know this stage as the fight-or-flight response.

Detailed explanation-2: -Dr. Selye describes the alarm stage as the sum of all non-specific systemic phenomena elicited by sudden exposure to stimuli to which the organism is quantitatively or qualitatively not adapted.

Detailed explanation-3: -The alarm stage is when the central nervous system is awakened, causing your body’s defenses to assemble. This SOS stage results in a fight-or-flight response. The resistance stage is when your body begins to repair itself and normalize heart rate, blood pressure, etc.