REGALADO-Autonomic-Nervous-System-Hand-Out.docx - Autonomic...

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Autonomic Nervous SystemThe autonomic nervous system, formerly known as the vegetative nervoussystem, is a division of the peripheral nervous system that supplies smoothmuscles, cardiac muscles, and glands which influences the functionof internal organs.It is a control system that acts largely unconsciously, regulating bodilyfunctions and processes.It controls involuntary responses to regulate physiological functions such astheheart rate, blood pressure,digestion,respiratory or breathingrate,pupillary response,urination, andsexual arousal.It is regulated by integratedreflexesthrough thebrainstemto thespinalcordandorgans.Functions of the Autonomic Nervous SystemThe autonomic nervous system controls internal body processes such as thefollowing:Blood pressureHeart and breathing ratesBody temperatureDigestionMetabolism(thusaffectingbody weight)Thebalanceofwaterandelectrolytes(such as sodium and calcium)The production of body fluids(saliva, sweat, and tears)UrinationDefecationSexual responseAutonomic Nervous System Divisions1.Sympathetic Nervous System – fight or flight-

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Term
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sempai
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