Small intestine
The stomach!
Forage matter that is either digested or being digested, depending on which stomach chamber you are referring to.
In the Stomach
The partially digestive food in the stomach is known by the name of Chyme.
food
chyme
fats
The pyloric sphincter valve.
its the pyloric sphincter
The partially digested contents of your stomach, usually.
The small intestine is a slender coiled tube that receives partially digested food from the stomach (via the pyloric sphincter). It consists of three sections: duodenum, ileum, and jejunum.
This food is called chyme, and is still acidic when it leaves the stomach through the pylorus.