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Digestive System = takes food ingested by the animal and converts it into a form that the animal can use Digestive System Two types: 1 Monogastric = one compartment in their stomach 2 Ruminant = multicompartmental stomach Monogastric System Simple stomach system – one compartment in their stomach Fed concentrates – cannot digest large amounts of fiber Digestive System Monogastric Monogastric System Components Tongue used for grasping food Teeth tear and chew feed into smaller pieces Saliva water to moisten mucin to lubricate start breakdown process Monogastric System Components Esophagus moves food from the mouth to the stomach Stomach breakdown of food Small Intestine nutrient absorption - into bloodstream (villi) Monogastric System Components Large Intestine removal of water Rectum Pass waste to anus Anus Hole where waste leaves the body Bird Digestive System Digestive System Two types: 1 Monogastric = one compartment in their stomach 2 Ruminant = multicompartmental stomach Ruminant System Multicompartmental Stomach regurgitate chunks of food –bolus Eat roughage (plants) Digestive System Ruminant Ruminant System Components Tongue used for grasping food Teeth no upper front teeth - tear Saliva no enzymes - high nitrogen for bacteria Ruminant System Components Rumen food fermented breakdown fibrous feeds carbohydrates broken down fatty acids absorbed Reticulum collect foreign material Ruminant System Components Omasum grind roughage Abomasum true stomach