The small intestine is
structurally made up of three parts called the jejunum, ileum,
and duodenum. And the process of digestion and increasing the pH
from the level of 2.5 to 7 to 8 reaches a stage where the process
of digestion is completed and nutrients are carried through the
villi which are appendages of the small intestine. The size of
the small intestine is about twenty times the length of the
animal and has a capacity of 38 The liter itself and the villi in
its body and enterocinesia movements cause the contents of the
intestine to move.v