Which component of the autonomic nervous system helps the body return to a normal resting state?

The parasympathetic nervous system is essential for helping the body return to a normal resting state after a period of heightened activity or stress. This component of the autonomic nervous system focuses on conserving energy and promoting relaxation. It slows the heart rate, decreases blood pressure, and stimulates digestion, allowing the body to repair and restore itself.

During stressful situations, the sympathetic nervous system activates the "fight or flight" response, mobilizing energy and increasing alertness. Once the stressful event has passed, the parasympathetic nervous system kicks in to counterbalance these effects, ensuring that the body can recover and maintain homeostasis. Understanding the role of the parasympathetic nervous system is fundamental in psychology, particularly in discussions around stress management and physiological responses to emotional stimuli.