Phoenix International Airport Terminal Information. Phoenix Sky Harbor International Airport has three passenger terminal buildings: Terminal 2, Terminal 3, and Terminal 4, the largest.
Heart rate and blood pressure are influenced by this nerve. As part of the parasympathetic nervous system, its effects are to lower both heart rate and blood pressure. In the lungs, the vagus nerve acts to constrict bronchi by causing the smooth muscles to tighten.
The vagus nerve is two nerves that go through the brain stem and enter different parts of the body such as the heart and the stomach. Vagus nerve leaves the brain stem from the rootlets present in the medulla that has been found to be caudal to the rootlets in the ninth carnial nerve. The vagus nerve comprises of two sensory ganglia which are segmented into superior and inferior vagal ganglia.