Scheme digestive system: 1. Salivary gland 2. Parotid gland 3. Submandibular gland 4. Sublingual gland 5. Mouth 6. Gullet 7. Language 8. Esophagus 9. Pancreas 10. Stomach 11. Pancreatic cancer; 12. Liver 13. Gallbladder; 14. The duodenum, 15. The common bile duct; 16. Colon; 17. The transverse colon, 18. Ascending colon; 19. Descending colon, 20. […]