1. The GI tract from esophagus to anus is composed of four tunics. Describe the general histology of these tunics. Post Lab Questions 2. Fully classify the epithelial tissue found through most of the GI tract from mouth to anus. Compare the structure and function of circular folds, villi, and microvilli of the small intestine.4. Describe the histology of the stomach wall. List all applicable structures and their functions. 5. Describe the histology of the small intestine wall. List all applicable structures and their functions. 6. Describe the histology of the liver. List all applicable structures and their functions. 7. Trace in order the arrangement through which bile enters into the duodenum. List all organs and ducts in order. 8. Trace in order the arrangement through which pancreatic juice enters into the duodenum. List all organs and ducts in order.9. Describe the specific location and function of each of the three salivary glands. 10. Hepatic lobules contain which are capillaries that transport both oxygen-rich blood from the and deoxygenated but nutrient rich blood from the The large vessel at the center of the hepatic lobule is called the 11. Identify the two main substances produced by the pancreas that are DIGESTIVE in function. Name the cells of the pancreas that produce these substances..