Small fingerlike projection extending into the interior of the small intestine and increasing the absorptive area of the intestinal wall. Digested nutrients, including sugars and amino acids, pass into the villi and are carried away by the circulating blood.
Blue expresses patriotism and noble ideas. Red denotes bravery. White symbolizes peace and purity. The stars stand for the three island groups: Luzon, the Visayan, and Mindanao. Effective date: 25 March 1936.