write functions of parasympathetic nervous system
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Body functions stimulated by the parasympathetic nervous system (PSNS) include sexual arousal, salivation, lacrimation, urination, digestion, and defecation. The PSNS primarily uses acetylcholine as its neurotransmitter.
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Function of Parasympathetic Nervous System :
- Decreases heart beat.
- Decreases respiratory rate.
- Increases salivation, Peristalsis, Gastric juice, secretion, bile production, succus antericus secretion, pancreatic juice secretion.
- Dialation of blood vessels.
- Contraction of urinary bladder.
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