Autonomic outflow from the medulla is divided principally into sympathetic and parasympathetic (vagal) branches. Efferent fibers of these autonomic nerves travel to the heart and blood vessels where they modulate the activity of these target organs. The heart is innervated by vagal and sympathetic fibers.
Best Answer: The cold war didn't have a specific start or ending time but if i had to give one I'd say that it started right after WWII (1945) and ended in the early 90's, probably 1991, the fall of the Soviet Union. Source(s): xzorion54 Â· 9 years ago.
1945 Germany World War II Europe Ends 6th May 1945 : The war in Europe is over when German forces are to sign full surrender on 7th May 1945 President Truman and Prime minister Churchill will make public radio broadcasts and speak to the people tomorrow and and VE day has been announced for the 8th May .