Explain the structure and function of the parasympathetic nervous system?

Answer 1

its small and makes you blush when you see a girl

Answer 2

The parasympathetic nervous system is one of three divisions of the autonomic nervous system. Sometimes called the rest and digest system, the parasympathetic system conserves energy as it slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles in the gastrointestinal tract.