Digestive System Model, 3 PartLife size human digestive system model that demonstrates the entire digestive system in graphic relief. Digestive system features: Nose Mouth cavity and Pharynx Esophagus GI tract Liver with gall bladder Pancreas Spleen The duodenum, caecum and rectum of the digestive system are opened. The transverse colon and front stomach wall are removable from the digestive system for detailed study of the anatomy. This high quality digestive system is a great