Stomach

Parts of stomach

A) divided into cardia, fundus, body, and pylorus.

B) pyloric sphincter is a value between the stomach and small intestine.

Gastric Secretions

A) secrete gastric juice

B) gastric juice contains pepsin, hydrochloric acid, and intrinsic factor.

Regulation of gastric secretions

A) parasympathetic impulses and the hormone gastrin enhance gastric secretion.

Gastric absorption stomach may absorb a few substances like water and small molecules.

Mixing and emptying actions

A) mixing helps produce chyme.peristaltic waves move chyme into the pylorus

B) muscular wall of pylorus regulates chyme movement in the small intestine.

C) rate of emptying depends on the fluidity of chyme and type of food.