The parasympathetic division is a part of the autonomic nervous system responsible for regulating the body's rest and digest functions. It helps conserve energy by slowing down the heart rate, increasing intestinal and gland activity, and relaxing sphincter muscles in the gastrointestinal tract. This division plays a critical role in maintaining homeostasis and counterbalancing the effects of the sympathetic division, which is associated with the fight or flight response.
congrats on reading the definition of parasympathetic division. now let's actually learn it.