31. Adrenaline is also released in response to the stimulation of the sympathetic nervous system or stress. 32. At the same time, the sympathetic nervous system responds to the emergency of the closed larynx. 33. The autonomic nervous system has two branches : the sympathetic nervous system and the parasympathetic nervous system. 34. Stress and anxiety increase the activity of the sympathetic nervous system and can therefore aggravate the sweating. 35. The sympathetic nervous system , acting via splanchnic nerves to the adrenal medulla, stimulates the release of adrenaline. 36. Beta-blockers prevent overstimulation of the cardiovascular system caused by stress hormones released by the sympathetic nervous system . 37. Damage to the hypothalamospinal fibers disrupts sympathetic nervous system relay and gives symptoms analogous to Horner syndrome. 38. Circulation is highly affected by the reaction of sympathetic nervous system , which is sensitive to the cold. 39. When an individual experiences emotions such as sorrow, the sympathetic nervous system still responds in this way. 40. The sympathetic nervous system is responsible for priming the body for action, particularly in situations threatening survival.