The Digestive and Urinary Systems :: essays research papers

digestive and Urinary SystemLesson 1 The Digestive SystemTermsqDigestionqAbsorptionqEliminationqMasticationqPeristalsisqstomachal JuicesqBileFunctions of the Digestive SystemqDigestion, Absorption, and Elimination.qDigestion occurs in the digestive tract which includes1. speak Mastication occurs and enzymes produced by salivary glands starts digesting carbohydrates.2.Esophagus 10 in. long and extends from the pharynx to the stomach. Food moves down the esophagus by the peristalsis. The sphincter, a circular ponderosity at the entrance of the stomach opens and closes to allow food to enter the stomach. 3. suffer Holds about 1qt of food for 3-4 hours and controls the rate at which it enters the nice intestine. It also produces Chyme and gastric Juices.4.Small Intestine 20ft (6m) long, 1in (2.5cm) in diam. Consist of 3 parts the duodenum, the jejunum, and the ileum. enteral juice, secretions from the liver and pancreas complete chemical crack-up.5.Large Intestine (Colon) 2.5in (6 cm) in diameter and 5-6ft (1.5-1.8m) long. The main function of the large intestine is the elimination of waste and the acculturation of water. The water is absorbed into the bloodstream Other Organs that aid DigestionqThe liver, gallbladder, and pancreas be essential for the digestion of carbohydrates, proteins, and fats.1.Liver the largest gland in the body qWeighs about 3.5 lbs. q blasphemous reddish brown colorqOver 500 functionsqProduces freshnessqConverts kale glucose to glycogen and stores itqMaintains level of glucose in the bloodqChanges detrimental to less harmful toxinsqStores vitamin A, D, E, K, B12, and Iron2.Gallbladder Small sac about 3-4 in. (7-10cm) longqStores bile until food moves from the stomach into the duodenum of the small intestine.3.Pancreas a gland of the digestive and ductless gland system.qProduces insulinqProduces 3 digestive enzymes1.trypsin digest protein2.amylase digest carbohydrates3.lipase digest fatsqThese enzymes are released into the small intestines through ducts. Lesson 2 Problems and care of the Digestive SystemsTermsqIndigestionqHiatal herniaqGallstonesqPeptic ulcersqGastritisqAppendicitisqHepatitisCommon Functional ProblemsqHalitosis (bad breath), plenty result from disorders of the teeth and gums caused from brusque oral health care.qIndigestion occurs when your body doesnt properly breakdown foods. This can be caused by eating as well as much ,eating too fast, or by indulging in an excess of alcohol. qHeartburn occurs when virulent content from the stomach backs up into the esophagus. If a person has hiatal hernia they may experience heartburn.qGas a certain amount of gas in the stomach or intestine is normal but some foods can cause an excess of gas.qNausea and Vomiting this can be caused by motion, pathogens, medicines, drugs, and other substances in the stomach. Nausea precedes vomiting. Vomiting is reverse peristalsis.