Which term is defined as the internal change of arousal of both the mind and body as a result of an external events?

The term that describes the internal change of arousal in both the mind and body due to external events is "emotional response." This response encompasses physiological reactions, such as increased heart rate or sweating, as well as psychological aspects, such as feelings of joy, fear, or anger. These changes occur as individuals react to stimuli in their environment, influencing their behavior and emotional state.