Which system is known for calming the body after stressful situations?

The parasympathetic nervous system is responsible for calming the body after stressful situations. It is part of the autonomic nervous system, which regulates involuntary bodily functions. When the body experiences stress, the sympathetic nervous system activates the "fight or flight" response, preparing the body for a quick reaction to threats by increasing heart rate, dilating pupils, and inhibiting digestive processes. After the stressful event has passed, the parasympathetic nervous system kicks in, promoting relaxation and recovery by slowing down the heart rate, facilitating digestion, and restoring energy reserves. This system essentially helps the body return to a state of homeostasis, contrasting the arousal effects initiated by the sympathetic nervous system. This calming effect is crucial for maintaining overall health and well-being, particularly following periods of stress or anxiety.