The Obama campaign has raised more than $118 million for the 2012 election, with nearly half coming from individuals giving in aggregate $200 or less, according to the Campaign Finance Institute.
The intestinal epithelium is the cell tissue that lines the large and small intestine. It serves primarily to take part in the digestive process, but it also takes part in the function of the immune system.The epithelium of the intestine is simple columnar, and is nonciliated.Epithelium is a tissue that is made up of a variety of types of cells. It covers the surface of the body and organs, as well as forming the inner lining of body cavities and hollow organs.he epithelium of the intestine is simple columnar, and is nonciliated. Epithelium is a tissue that is made up of a variety of types of cells. It covers the surface of the body and organs, as well as forming the inner lining of body cavities and hollow organs.
Function Of Ileum In Digestive System. As a part of the small intestine, the ileum plays a crucial role in aiding the process of digestion and absorption of vital nutrients and vitamins. Though the ileum is much smaller than the jejunum, it is very vital part of the small intestine. 1  The most important digestive function of ileum is to absorb nutrients from the chyme (i.e. bile salts). 2  Ileum plays a vital role in the absorption of Vitamin B12.