7/27/2023 0 Comments Somatic nervous system manages![]() ![]() ![]() For example, little stimuli may become painful, little stresses may cause anxiety, little allergic reactions may become rashes or hives (significant histamine reactions). If SB is high, indicating that the Sympathetics are much more reactive than the Parasympathetics, this may exaggerate or amplify all Sympathetic responses. A normal ratio of Sympathetic to Parasympathetic is approximately 1.0 (SB = 1.0 is perfect balance). Again with the car analogy, even if you have no brakes and no accelerator (you are very old or very sick) you may still roll down hill even then if you cannot stop you crash. It is the ratio between the two (SB = S/P, known as Sympathovagal Balance) that is the key. ![]() Once the Parasympathetics wear out you are essentially a heart attack waiting to happen.Įven if both are worn, if the parasympathetics are significantly more worn, the sympathetics may still be too high in comparison. The problem in the human body is that we cannot replace the “brakes” (the parasympathetics). Doing this you wear out the brakes faster. In the car analogy, this is like driving fast all the time and therefore, having to stop hard all the time. If the sympathetic system, like the accelerator of a car, becomes over-reactive it may actually damage the other component of the autonomic nervous system, the parasympathetic nervous system. The parasympathetic nervous system does the opposite. The sympathetics typically increase heart rate and blood pressure to pump more blood to deal with stress and dilates pupils to see more, bronchi to inhale more oxygen, and peripheral blood vessels to bring more blood to the muscles. The parasympathetic nervous system, which is like the brakes of the body, is known as the rest and digest nervous system and helps to conserve energy and protect, typically slowing things down.Īgain, like an automobile, the autonomic nervous system has divisions which can speed up or slow down various functions of the body. The sympathetic nervous system, which is like the accelerator of the body, is known as the flight or fight nervous system and deals with stress, typically speeding things up. The autonomic nervous system itself consists of two parts: the sympathetic nervous system and the parasympathetic nervous system. The autonomic nervous system is the portion that controls or coordinates all organs and virtually all cells of your body. The autonomic nervous system is one of the three main portions of your entire nervous system. ![]()
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