Anatomy and physiology: the accessory organs of digestion.
D004063:Digestion; D005704:Gallbladder / Q000033:anatomy & histology* / Q000502:physiology; D006801:Humans; D008099:Liver / Q000033:anatomy & histology* / Q000502:physiology; D010179:Pancreas / Q000033:anatomy & histology* / Q000502:physiology