The second guna is rajas, that is the stage when man starts the active process of self-development, transcends dumb primitiveness, grows as a warrior, and then as a leader, organizer of other people. The third guna is sattva, that is purity, harmony, bliss, happiness.
Villi also help the food to move along the digestive tract. Food takes three to six hours to move through the small intestine. The small intestine has three parts, the duodenum, jejunum and ileum.
Answers.comÂ® is making the world better one answer at a time. 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 absorbed into the blood.