Function. There, the villi and the microvilli increase intestinal absorptive surface area approximately 30-fold and 600-fold, respectively, providing exceptionally efficient absorption ofnutrients in the lumen. There are alsoenzymes (enterocyte digestive enzyme) on the surface for digestion. I hope helping with this answer
A small finger line projections find in the small intestine is called as villi. The main function of villi and microvilli is to increase the surface area of the intestine. It also contains specialized cells that work to transport substances in the bloodstream. They increase the absorptive surface area to 30 to 600 fold.
In developed nations people have more fast food options which lead to cardiovascular disease. As well as screen time all day since this is one of the factors of cardiovascular disease. Undeveloped nations don't have fast-food or television to watch all day, since they play outside.
