Detailed Instructions: Given a scientific passage and an answer, generate a question for the given answer.
Q: Passage: The duodenum is the first and shortest part of the small intestine. Most chemical digestion takes place here, and many digestive enzymes are active in the duodenum (see Table below ). Some are produced by the duodenum itself. Others are produced by the pancreas and secreted into the duodenum. Answer: small intestine
A:
The duodenum is a part of which part of the gi tract?