Hhuu

2. • 1. Functions of G-i-t Organs
2. Pathophysiology of G-I-T
 Presented To ;
Dr. Sania Muneer
 Presented By ;
Muhammad Saleem 104 (B)

3. 1. Functions of g-i-t Organs
1. Mouth ;
 Ingestion of food
2. Tongue ;
 Detecting different tastes of food :
 Mixing saliva with food to form Bolus; Swallowing; Speech.
3. Teeth ;
 Masticates food into small particles
 Helps mix food with saliva

5. • 4. Pharynx ;
Prevents entry of food into respiratory system.
Passes food towards esophagus.
5. Esophagus ;
smooth passage of food.
Pushes food towards stomach.
6. Stomach ;
stores food.
Mechanical churning and chemical digestion.
Partial digestion of food.

6. 7. Sphincters ;
Regulate the passage of food.
8. Small Intestine ;
Digestion of food and absorption of nutrients.
9. Large Intestine ;
Facilities easy passage of undigested materials
by secreting mucus.
10. Rectum ;
Temporary storage of faecal matter.
11. Anus ;
Removal of undigested matter.

7. There are three types of peptic
ulcers:
1.Gastric ulcers: ulcers that develop inside the stomach
2. Esophagus ulcers: ulcers that develop inside the
esophagus
3. Duodenal ulcers: ulcers that develop in the upper section
of the small intestines, called the duodenum

8. They occur in duodenum,
2. But these are cause by HCI secretion by vagur nerve
stimulation in fasting period.
3. Pain in right epigastric region.
4. Rarely.
Stool with blood,
6. No weight loss.
Onset of pain after 2-4 hrs. of taking food.
8 Absent.