The<unk>  (sympathetic chain, gangliated cord) is a bundle of nerve fibers that runs from the base of the skull to the coccyx.  There are two<unk> s in the body, a right one and a left one.
Sympathetic trunk
Vagus nerve
Coronary arteries
Cardiac veins
Arterial tree
Phrenic nerve
Thoracic aorta
Parasympathetic nervous system