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Content: Actually 3 parts. Duodenum, Jejunum, Ilieum. 3 parts of small intestines? The duodenum is the first portion of the small intestine. The
jejunum is the middle portion of the small intestine. And the ileum
is the last and longest portion of the small intestine, extends
from the jejunum to the cecum of the large intestine. What are the different parts of small intestine? The three parts of the small intestine are the duodenum, the
jejunum, and the ileum. What are three parts of the small intestine? the three parts o small intestine are Duodenum, Jejunum and
Ileum
What do the 3 parts of the small intestine do?