vagus nerve, part of the parasympathetic nervous system, medically . labeled

vagus nerve organs parasympathetic nervous system heart lungs stomach liver spleen kidneys intestines pancreas gallbladder digestion respiratory autonomic regulation cardiovascular gastrointestinal endocrine neural connectivity afferent efferent cranial rest digest feed rate blood pressure motility homeostasis neurotransmitter acetylcholine baroreceptors chemoreceptors polyvagal theory gutbrain axis inflammation immune response emotional mindbody connection generated ai