part of the vagus nerve of the stomach.

vagus nerve stomach organs parasympathetic nervous system heart lungs 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