2.07 Remember the structures of the Digestive System

2. Essential Question
What are the structures of the
digestive system?
2.07 Remember the structures of the
digestive system 2

3. Structures of the digestive
system
Digestive system
 Also known as:
 Alimentary Canal
 Digestive Tract
 Gastrointestinal Tract
 Upper GI
 Lower GI
2.07 Remember the structures of the
digestive system 3

4. Structures of the digestive
system
Primary structures
 Mouth (oral cavity)
 Esophagus (gullet)
 Stomach
 Small intestine
 Large intestine (colon)
Accessory structures
 Tongue
 Teeth
 Salivary glands
 Pancreas
 Liver
 Gall bladder
2.07 Remember the structures of the
digestive system 4

5. Structures of the digestive system
Mouth
(buccal /oral cavity)
 Tongue
 Teeth
 Salivary Glands
 Palate
 Uvula
2.07 Remember the structures of the
digestive system 5

6. Structures of the digestive
system
Tongue
2.07 Remember the structures of the
digestive system 6

7. Structures of the digestive
system
Teeth
Primary (deciduous)
Secondary (permanent)
2.07 Remember the structures of the
digestive system 7

8. Structures of the digestive
system
Salivary glands
 Parotid gland
 Submandibular gland
 Sublingual gland
2.07 Remember the structures of the
digestive system 8

9. Structures of the digestive
system
Palate
 Hard
 Soft
Uvula
 Flap of skin
hanging in the
back of the throat
2.07 Remember the structures of the
digestive system 9

10. Structures of the digestive
system
Pharynx (throat)
 Nasopharynx
 Oropharynx
 Hypopharynx
2.07 Remember the structures of the
digestive system 10

11. Structures of the digestive
system
Esophagus
Four wall layers
– Mucosa
– Submucosa
– Muscular
– External serous
2.07 Remember the structures of the
digestive system 11

12. Structures of the digestive
system
Stomach
3 Portions
Fundus, Body, Pylorus
2 sphincters
Cardiac and Pyloric
4 wall layers
Mucosa, submucosa, muscular and serous
2.07 Remember the structures of the
digestive system 12

13. Structures of the digestive
system
Small intestines
Duodenum
 First segment
Jejunum
 Second segment
Ileum
 Third segment
2.07 Remember the structures of the
digestive system 13

14. Structures of the digestive
system
Accessory Organs
Pancreas
Liver
Gall Bladder
2.07 Remember the structures of the
digestive system 14

15. Structures of the digestive system
Large intestine
(colon)
2.07 Remember the structures of the
digestive system 15

16. Structures of the digestive system
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2.07 Remember the structures of the
digestive system 16

17. Essential Question
What are the structures of the
digestive system?
2.07 Remember the structures of the
digestive system 17