Generally you can think of sympathetic stimulus causing contraction of smooth muscle with a few exceptions (bronchial dilation).
One activity would be the acute modulation of blood pressure through contraction of vascular smooth muscle cells in the resistance vessels.
While there is some debate, sympathetics probably set the steady state heart rate with very little acute control. Acute modulation of heart rate is caused by parasympathetic stimulus and mechanical factors (Frank-Starling relationship).
Sympathetics also aid in the mobilization of metabolic energy (lipolysis, glycogenolysis).
Look in any physiology textbook for autonomic nervous system and you can get all your answers.
The division of the autonomic nervous system responsible for each of the reflexes is the ciliospinal reflex. Ciliospinal reflex responds mainly by the 2nd and 3rd order nerves to the muscle of the iris.
The two integral parts of the autonomic nervous system are the sympathetic nervous system responsible for, "rest and digest" and the parasympathetic nervous system that is responsible for, "fight or flight".
That part is called as hypothalamus. It is supposed to be highest centre for the autonomic nervous system. You need the sympathetic nervous system to run and catch the bus. Sympathetic nervous system is the part of the autonomic nervous system.
The adrenal medulla develops from the sympathetic nervous system. It is responsible for secreting hormones such as adrenaline (epinephrine) and noradrenaline (norepinephrine) in response to stress or danger.
The sympathetic nervous system branches include the sympathetic trunk and the splanchnic nerves. The sympathetic trunk contains the sympathetic ganglia, which are responsible for sending signals to various target organs in the body. The splanchnic nerves innervate the abdominal organs and play a role in regulating their function.
Sympathetic nervous system
Sympathetic Nervous System
sympathetic nervous system
Sympathetic division or fight-or-flight system
The effects of the sympathetic nervous system are essential opposite those of the parasympathetic nervous system. The sympathetic nervous system accelerates functions such as heart rate and breathing and the parasympathetic slows these bodily processes down. The sympathetic also inhibits digestion, whereas the parasympathetic stimulates digestion. The sympathetic nervous system produces "fight-or-flight" reactions, while the parasympathetic functions under relaxed conditions.
sympathetic
The two integral parts of the autonomic nervous system are the sympathetic nervous system responsible for, "rest and digest" and the parasympathetic nervous system that is responsible for, "fight or flight".
The division of the autonomic nervous system responsible for each of the reflexes is the ciliospinal reflex. Ciliospinal reflex responds mainly by the 2nd and 3rd order nerves to the muscle of the iris.
The two integral parts of the autonomic nervous system are the sympathetic nervous system responsible for, "rest and digest" and the parasympathetic nervous system that is responsible for, "fight or flight".
The autonomic nervous system is responsible for the control of the functions of the internal organs and it has two divisions. These are the sympathetic nervous system and the parasympathetic nervous system.
sympathetic nervous system.
That part is called as hypothalamus. It is supposed to be highest centre for the autonomic nervous system. You need the sympathetic nervous system to run and catch the bus. Sympathetic nervous system is the part of the autonomic nervous system.