What is the function of stomach?

Seconds after swallowing, food enters the stomach, the J-shaped, stretchy bag that links the oesophagus to the small intestine. While food is stored in the stomach it is churned into a creamy liquid called chime. This is released gradually into the small intestine, where digestion is completed.

Two types of digestion happen in the stomach. Firstly, food is doused in acidic gastric juice that contains pepsin, an enzyme that digests proteins. Secondly, muscles in the stomach’s wall create waves of contractions that crush and churn food into mushy chyme.

The stomach secretes acid and enzymes that digest food. Ridges of muscle tissue called rugae line the stomach. The stomach muscles contract periodically, churning food to enhance digestion. The pyloric sphincter is a muscular valve that opens to allow food to pass from the stomach to the small intestine.

 

Picture Credit : Google