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.
Small intestine. 1  absorption of food molecules and water Small intestine is the major place for digestion and absorption. 2  function and structure of villi Villi = finger-like protrusions inside small intestine. 3  production of enzymes, site of digestion The small intestine is the major place for digestion and absorption.