ileum

Question

1. The three structural features of the small intestine that increase its surface area are the
the villi, and the
duodenum
lymph vessels
jejunum
are finger-like projections that cover the circular folds of the small intestine and contribute to its increased
microvin
blood vessels
surface area.
3. The hair-like projections that cover the surface of an intestinal cell and contribute to the increased surface area of the small intestine are called
4. Villi contain
that absorb nutrients, which are then transported through the body.
5. The first section of small intestine, receiving chyme from the stomach, is called the
6. The
is the middle portion of the small intestine.
7. The last portion, or segment, of the small intestine is called the

Answer 1

ileum.

Here’s the completed list based on your prompts:

1. The three structural features of the small intestine that increase its surface area are the circular folds, villi, and microvilli.
2. Villi are finger-like projections that cover the circular folds of the small intestine and contribute to its increased surface area.
3. The hair-like projections that cover the surface of an intestinal cell and contribute to the increased surface area of the small intestine are called microvilli.
4. Villi contain enterocytes that absorb nutrients, which are then transported through the body.
5. The first section of the small intestine, receiving chyme from the stomach, is called the duodenum.
6. The jejunum is the middle portion of the small intestine.
7. The last portion, or segment, of the small intestine is called the ileum.