Digestive System By: Mike, Matt & Guistino 5 Important Functions • Getting nutrients from food • Excreting food • Takes in food • Chews food • Puts nutrients in blood stream 5 Parts of the Digestive Stystem • Mouth- Chewing food • Anus- Excretes waste • Esophagus- Swallows food • Liver- Filters liquid • Stomach- Takes nutrients out of food Diagram Illnesses to the Digestive System • Dysphagia - Difficulty swallowing. May be related to GERD (see above), esophageal tumor or other causes. • Diverticulosis/diverticulitis – Small pouches may form along the walls of the large intestine called diverticuli which if symptomatic, causing discomfort to the patient, Abusive Drugs to the Digestive System • Alcohol - “In the longer term, alcohol is associated with an increased risk of cancer of the mouth, tongue, lip, throat, stomach, pancreas and colon,” says Dr Moriarty. “Other digestive problems caused by drinking too much include acid reflux – where stomach acid burns your throat. Alcohol can also contribute to developing a peptic ulcer – a painful, open sore in your stomach lining Vocabulary • Excretes - to separate and eliminate from an organic body; separate and expelfrom the blood or tissues, as waste. • Nutrients - nourishing; providing nourishment or nutriment.containing or conveying nutriment, as solutions or vessels of the body. • Absorption - passage of materials through the walls of the intestine into the blood stream • Amino acids - building blocks of proteins and produced when proteins are digested • Saliva - digestive juice produced by salivary glands 5 Factiods • We make 1-3 Pints of saliva a day • Food stays in your stomach for 2-3 hours • Within the colon, a typical person harbors more than 400 distinct species of bacteria • An adult stomach can hold approximately 1.5 liters of material • The liver is the largest organ in the body and perform more then 500 function Videos http://kidshealth.org/kid/cancer_center/HTBW/digestive_system.html# http://m.youtube.com/watch?v=prpAGWM3pcM Cited Sources http://kidshealth.org/kid/cancer_center/HTBW/digestive_system.html# http://www.drinkaware.co.uk/check-the-facts/health-effects-of-alcohol/effects-on-the-body/isalcohol-harming-your-stomach http://www.dmu.edu/medterms/digestive-system/digestive-system-diseases/ http://www.studytemple.com/forum/medical-cards/120383-vocabulary-list-ch-5-digestivesystem.html