It causes premature ageing of the skin by a process called glycation. This is where excess sugar in the blood attaches itself to lipids, nucleic acids and proteins (especially your collagen) to form âadvanced glycation end Â­productsâ or AGEs, which accelerate the ageing process and so cause wrinkly skin.
What is the role of villi in digestive system? the role of the villi is that it increases the surface area so that when food passes through the small intestine the food will get caught on the villi and the nutrients are ab â¦ sorbed into the blood.
3-D image of villi in small intestine. A person with damaged villi may not be able to absorb nutrients into their body. Villi, which are tiny projections that line the walls of the intestines, absorb nutrients during the digestive process. Villi, located in the small intestine, help absorb food in the body.