Functions Of The Stomach

Question 1

What are the functions of the stomach

Answer 1

1. Stores food and regulates its passage to the small intestine
2. Liquefaction of food
3. Starts enzymatic digestions
4. Secretes intrinsic factor
5. Has protective function
6. Gastric HCl
7. Endocrinefunction

Question 2

Describe the liquefaction of food function of the stomach

Answer 2

Vigorous gastric contractions mix foodstuffs with gastric juice producing a semifluid acid chyme which is delivered to the small intestine for further digestion and absorption

Question 3

The stomach starts enzymatic digestion of what?

Answer 3

Proteins by pepsinogens
Fats by gastric lipase

Question 4

What are the protective function of the stomach?

Answer 4

Gastric HCl that kills the ingested bacteria
Vomiting that repels irritant or infected food stuffs

Question 5

What are the function of gastric HCl in the stomach?

Answer 5

Protective function against bacteria ingested with food
Helps absorption of iron in the upper intestine
Activates pepsinogens to pepsins
Stimulates the flow of bile and pancreatic juice

Question 6

What is the endocrine function of the stomach?

Answer 6

Secreting a number of peptides