Final answer:
Emotions are short-lived subjective-physiological-functional-expressive phenomena that orchestrate how a person reacts to significant life events.
Step-by-step explanation:
Emotions are short-lived subjective-physiological-functional-expressive phenomena that orchestrate how a person reacts to significant life events. Emotions result from subjective experience, expression, cognitive appraisal, and physiological responses. They often begin with a subjective experience, followed by emotional expression, cognitive appraisal, and physiological responses such as changes in heart rate and sweating.