The stomach is under the diaphragm, connected to the esophagus above and the small intestine below, and serves as an organ that receives and stores food, secretes it, digests it, and transports it.
1. Receiving and storing food: Food enters the stomach through the mouth and esophagus, and the stomach stretches spatially to receive and store this food.
2. Secretion: The stomach secretes gastric juice, which is mainly pepsinogen secreted by the main cells and gastric acid secreted by the wall cells.
3. Digestion: The gastric acid and pepsinogen secreted by the stomach breaks down and digests food, and also destroys microorganisms such as bacteria contained in food.
4. Transportation: When food enters the stomach, it promotes gastric peristalsis, which transports the food to the pylorus, breaks it down into semi-liquid chyme, and transports it to the duodenum with the help of gastric sinus emptying.
The stomach has an important role to play, in daily life, pay attention to diet, avoid intake of gastric stimulation of food, if you have symptoms of physical discomfort, you should go to the hospital in time to consult a physician for guidance.