Just the opposite functions are the domain of the parasympathetic nervous system. This division of the autonomic nervous system conserves and restores the body’s energy and resources. When we do not perceive any threat in our environment, the parasympathetic nervous system slows the heart rate, increases energy to the digestive system, relaxes the body, and moves blood flow away from the skeletal muscles of the extremities and into the internal organs to support growth and maintenance processes. Think of our parasympathetic nervous system in relation to how we feel just after finishing a big
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