When aroused, your heart rate increases, your pupils dilate, and you may sweat, indicating activation of the part of your nervous system called:

The sympathetic nervous system.

This is a part of the nervous that operates involuntarily (you can’t control it) and functions to “turn you on” as part of the fight or flight response.

The parasympathetic is the other big involuntary part that mostly does the opposite functions.

Your answer will be b action plan.