Oral Cavity
1. Oral Cavity 2. Tongue 3. Papillae 4. Esophagus
Upper digestive System
5. Liver 6. Cardiac Region of the Stomach with Cardiac Sphincter 7. Fundus 8. Body of Stomach 9. Pyloric Region of Stomach
10. Pyloric Sphincter 11. Duodenum 12. Small Intestine
13.Gall Bladder
14. Cecum with ileocecal valve
15. Ascending Colon
Lower Digestive System
16. Transverse Colon 17. Descending Colon 18. Jejunum 19. Ileum
20. Rectum
21. Anus