This time, there were no surprises. The United States women, the reigning world champions, won by the biggest margin in 52 years. The United States, which finished first in all four events but the uneven bars, scored 183.596 points. Russia was a distant 5.066 points back and won the silver medal. Romania won the bronze, 7.182 points back. China finished fourth, failing to defend the gold it won at the 2008 Beijing Games.
Definition of Sympathetic nervous system. Sympathetic nervous system: A part of the nervous system that serves to accelerate the heart rate, constrict blood vessels, and raise blood pressure. The sympathetic nervous system and the parasympathetic nervous system constitute the autonomic nervous system. Last Editorial Review: 5/13/2016.
Sympathetic nerves and parasympathetic nerves are part of the Autonomic Nervous system. They control body functions that are involuntary and are responsible for many responses â¦ that range from 'flight-or-flight' as part of the stress response, to digestion, and even sexual arousal.