The brain stem and sacral spinal cord are the sources of the parasympathetic division of the autonomic nervous system, which innervates the heart, digestive system, eyes, and other organs.
Which of the following anatomical descriptions of the sympathetic ganglia of the autonomic nervous system. Its spinal cord's thoracic region is where the majority of its innervation comes from.
It might be referred to as your "automatic" nervous system because it controls many processes that you don't need to think about. Among other things, this can include managing your heart rate, blood pressure, digestion, urination, and perspiration.
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