Stomach
Can hold about 1 liter or more of liquid (it can stretch)
Jobs
Receives food from esophagus and mixes it with gastric juices.
Initiates the digestive process.
Carries on limited absorption.
Sends food into small intestine.
Gastric Secretions
The inner lining of the stomach is covered with many small opening called gastric pits.
Out of gastric pits secretes a fluid called gastric juice which contains digestive enzymes, hydrochloric acid, and mucous.
An important digestive enzyme is pepsin.
The combination of digested food and gastric juices is called chyme.
Gastric absorption
Even though there is chemical break down of proteins in the stomach, there is actually very little absorption that takes place.
Most absorption occurs in the small intestine.
Can hold about 1 liter or more of liquid (it can stretch)
Jobs
Receives food from esophagus and mixes it with gastric juices.
Initiates the digestive process.
Carries on limited absorption.
Sends food into small intestine.
Gastric Secretions
The inner lining of the stomach is covered with many small opening called gastric pits.
Out of gastric pits secretes a fluid called gastric juice which contains digestive enzymes, hydrochloric acid, and mucous.
An important digestive enzyme is pepsin.
The combination of digested food and gastric juices is called chyme.
Gastric absorption
Even though there is chemical break down of proteins in the stomach, there is actually very little absorption that takes place.
Most absorption occurs in the small intestine.