2 Key TermsSmall Intestine- part of digestive system where most chemical digestion and absorption takes place takes placeGallbladder-the organ that stores bileLiver-largest organ inside the body, its role is to produce bileBile-a substance that is produced by liver and it breaks up fatPancreas-a triangular organ that lies between the stomach and the first part of the small intestine, the pancreas produces enzymes that flow into the small intestine and help break down starches, proteins, and fats.Villus-finger like projections that line the small intestine and increase surface area and absorb nutrient moleculesLarge intestine-the last section of the digestive system which contains bacteria that feeds on the material passing through. Water is absorbed into bloodstream here and the remaining material is readied for elimination from the body.Rectum-a short tube at the end of the large intestine, waste material is compressed into a solid form here.Anus-muscular opening at the end of the rectum, waste material eliminated from the body here
3 The Small Intestine What are the functions of the small intestine? Absorption of nutrientsMost chemical digestion occurs hereContains villi thatIncrease surface areaAnd aid in absorption
4 The Liver Located in the upper right portion of abdomen Largest organ inside the bodyBreaks down medicines and eliminates nitrogen from the bodyRole in the digestive system is to produce BILE, a substance that breaks up fat particlesBile flows from the liverInto the gallbladder, theorgan that stores bile.
5 The PancreasTriangular organ that lies between the stomach and first part of the small intestineProduces enzymes that flow into the small intestine and help break down starches, proteins, and fatsFiber in food doesn’t get broken down
6 The Large Intestine Last section of the digestive system Contains bacteria that feeds on material passing throughThe material in the large intestine contains water and undigested foodWater is absorbed into the bloodstreamRemaining material is readied for elimination from the bodyEnds in a short tube called the rectum where waste material is compressed into a solid formWaste eliminated from the body through the anus