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Name: _______________________ Digestive System Research Summary 1. 1 pt. What is the function of the digestive system? _________________________ __________________________________________________________________ 2. 6 pt. Briefly describe the roles of the following organs in digestion and absorption. Stomach _______________________________________________________ ______________________________________________________________ Small intestine __________________________________________________ ______________________________________________________________ Large intestine __________________________________________________ ______________________________________________________________ Pancreas _______________________________________________________ ______________________________________________________________ Liver _________________________________________________________ ______________________________________________________________ Gall bladder ____________________________________________________ 3. 2 pt. Trace the path of food through the digestive tract from the mouth to the anus. mouth pharynx _________________________ _______________________ __________________________ ______________________________ anus 4. 4 pt. For each of the following digestive enzymes, name the organ of the digestive system where it is produced and the type of molecule it breaks down. Enzyme Amylase Pepsin Trypsin Sucrase Organ Type of molecule digested _________________ ____________________________ _________________ ____________________________ _________________ ____________________________ _________________ ____________________________ 5. 1 pt. The pH of the stomach is ____. 6. 2 pt. Briefly describe the structure and function of villi. __________________________________________________________________ __________________________________________________________________ The surface area of the small intestine is the size of a tennis court. Explain how the presence of villi in the small intestine offers an advantage compared to a flat surface. __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ 7. 3 pt. Vitamins are organic molecules that are needed for good health. Name a food rich in each of the following vitamins and identify the function of the vitamin. Vitamin Vitamin C Vitamin D Vitamin K Food Source _________________ _________________ _________________ Function ____________________________ ____________________________ ____________________________ 8. 4pt. Choose ONE of these conditions and complete the questions. Each member of the group will research one condition and complete the questions on this form. As a group, you must complete the questions for ALL of the diseases/conditions. Some common diseases or conditions of digestive system are: 1. Ulcers 2. Cirrhosis 3. Hepatitis 4. Celiac disease Name of the disease: __________________________________________________ What are the causes? _____________________________________________ ______________________________________________________________ ______________________________________________________________ What are the symptoms? ___________________________________________ ______________________________________________________________ ______________________________________________________________ How does it affect the digestive system? ______________________________ ______________________________________________________________ ______________________________________________________________ How is the condition treated? _______________________________________ ______________________________________________________________ ______________________________________________________________ 2 pts. Sources (minimum of 3 – use a text FIRST, then consult websites, articles, etc.) Citations MUST be complete – see Media Center Works Cited page. __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________