The vagus nerve (cranial nerve X) is a powerhouse of the autonomic nervous system. It carries both motor and sensory signals — helping to regulate speech, swallowing, heart rate, gut motility, and even emotional regulation via the gut-brain axis. It exits the skull via the jugular foramen, descends through the neck, and branches through the thorax and abdomen, reaching organs like the lungs, heart, stomach, and intestines. This animation shows the course of the vagus nerve in SciePro’s 3D anatom