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.
Vacuole Function. The Vacuole is a cell organelle that is present only in plant cells. The main vacuole Function is in maintaining the structure and shape of the cell. Cells of plants do not increase in size by expanding their cytoplasm but by increasing the size of their vacuoles.acuole Function. The Vacuole is a cell organelle that is present only in plant cells. The main vacuole Function is in maintaining the structure and shape of the cell. Cells of plants do not increase in size by expanding their cytoplasm but by increasing the size of their vacuoles.