The brainstem, spinal cord, hypothalamus, and cerebrum all contribute to the control of the autonomic nervous system.
The paraventricular nucleus is the primary hypothalamic region for the central regulation of the autonomic nervous system, which is controlled by the hypothalamus.
The autonomic nervous system is the portion of the nervous system that supplies the internal organs, such as the sweat, salivary, and digestive glands, blood vessels, stomach, gut, liver, kidneys, bladder, genitals, lungs, and pupils.
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