The Digestive System Test #13 The Digestive System Test Name* First Last Email* Location* Grand Rapids Saginaw St. Louis Check the box for the correct answer.1. About how long is the normal human digestive system?* 3 inches 3 feet 30 feet 300 feet 2. Saliva contains enzymes that initiate the breakdown of food.* True False 3. Which organ of the body filters toxins?* Exophagus Small intestine Pancreas Liver 4. Where are villi located?* Stomach Small intestine Large intestine Gallbladder 5. Another name for the large intestine is* Duodenum Bile Colon Peristalsis 6. Where is glucose stored?* Gallbladder Small intestine Large intestine Liver 7. As a person ages, what changes occur in the digestive tract?* Movement of the colon is decreased More gastric juice is secreted Food is absorbed more quickly The active ingredients in saliva increase 8. Ulcers can be caused by an excess of:* Gastric juice Food Saliva Roughage 9. Gallstones are formed by cholesterol crystals which settle out of the bile in the gallbladder.* True False 10. Hemorrhoids are:* Enlarged blood vessels Holes in tissue Impacted feces Abnormal secretions PhoneThis field is for validation purposes and should be left unchanged.