The phenomenon of hair standing on end, often described as “goosebumps,” originates from a primal reflex known…
autonomic nervous system
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The autonomic nervous system (ANS) is a complex network of nerves that controls involuntary bodily functions such as heart rate, digestion, respiratory rate, and reflexes. It operates largely below the level of conscious awareness and is divided into the sympathetic and parasympathetic nervous systems, which work together to maintain internal balance and respond to stress. This tag covers topics related to the anatomy, physiology, and functions of the autonomic nervous system, as well as its role in health and disease.