College Place, WA. Online Offers. College Place is a city in Walla Walla County, Washington, United States next to Walla Walla, Washington. The population was 8,765 at the time of the 2010 census. College Place is the home of Walla Walla University, a Seventh-day Adventist college. Because of the primary Adventist population, most downtown businesses close on Saturday, reopening in most cases on Sunday.
The villi are numerous small folds found on the intestinal wall.  Their function is to increase the surface area of the small  intestine to ensure the quick absorption of nu â¦ trients.
The gastrointestinal (GI) tract is sometimes referred to as the digestive tract, or the alimentary canal. This is the system of organs in the human body that takes in food, digests it to extract energy and nutrients, and expels the remaining waste. The major functions of the GI tract are digestion and excretion.his is the system of organs in the human body that takes in food, digests it to extract energy and nutrients, and expels the remaining waste. The major functions of the GI tract are digestion and excretion.