active brain and energetic vagus nerve, communication, meditation, 3d

vagus nerve parasympathetic brain man woman love communication meditation energetic energy talking hearing autonomic nervous system ganglion stress relaxation spinal cord stem stomach pain digestive human organs heart lungs liver tract colon kidney spleen pneumogastric digestion anatomy anatomical biology body braches plexus neurology neural health care relax diagram longest blue black cranial ans glow active showing tenth