What Are Signs Of Parasympathetic Nervous System?

What Are Signs Of Parasympathetic Nervous System? Sexual arousal. Lacrimation (crying or shedding tears) Digestion: The PSNS dilates the blood vessels of the GI system to allow for greater blood flow. Salivation: The PSNS stimulates the salivary glands and speeds up peristalsis. Urination and defecation. What happens when your parasympathetic nervous system is activated? When