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.
The villi are the parts that absorb nutrients from food and pass them into the bloodstream. Villi are also covered with microvilli. The purpose of both structures is to increase the small intestineâs surface area so that nutrient absorption is enhanced.Villi increase the surface area where substances are able to be absorbed in the small intestine 30-fold while microvilli increase it 60-fold. 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.