The correct answer is The parasympathetic system
The parasympathetic system is responsible for making the body calm down after a stressful or emergency situation.
This will lower your heart rate, blood pressure, adrenaline and blood sugar.
In addition to calming the body and returning it to a stable emotional state, the parasympathetic nervous system also has the function of conserving the body's energy. Together with the sympathetic system, it also controls the pupils.
Parasympathetic nervous system is not just used to calm down after a stressful situation. The system controls several areas of the human body and involuntary actions, which do not happen consciously.
