Changes

*Parasympathetic (most important)

*Parasympathetic (most important)

**Travel from the brainstem by the facial ([[Nervous System - CNS - Anatomy & Physiology#Innervation - Cranial Nerves|CN VII]]) and glossopharyngeal ([[Nervous System - CNS - Anatomy & Physiology#Innervation - Cranial Nerves|CN XI]]) then into

**Travel from the brainstem by the facial ([[Nervous System - CNS - Anatomy & Physiology#Innervation - Cranial Nerves|CN VII]]) and glossopharyngeal ([[Nervous System - CNS - Anatomy & Physiology#Innervation - Cranial Nerves|CN XI]]) then into branches of the trigeminal nerve ([[Nervous System - CNS - Anatomy & Physiology#Innervation - Cranial Nerves|CN V]])  

branches of the trigeminal nerve ([[Nervous System - CNS - Anatomy & Physiology#Innervation - Cranial Nerves|CN V]])  

**Flow of salivary fluid increases  

**Flow of salivary fluid increases  

**Vasodilation occurs

**Vasodilation occurs