The Human Digestive System - Quiz
- 1. What enzyme starts the digestion of carbohydrates?
A) Amylase B) Trypsin C) Lipase D) Pepsin
- 2. Where does the majority of digestion occur?
A) Esophagus B) Mouth C) Small intestine D) Stomach
- 3. Which organ produces bile?
A) Liver B) Pancreas C) Stomach D) Gallbladder
- 4. What is the last section of the large intestine called?
A) Colon B) Rectum C) Cecum D) Ileum
- 5. Which structure prevents food from entering the windpipe?
A) Epiglottis B) Pharynx C) Larynx D) Uvula
- 6. How long is the average human small intestine?
A) About 15 feet B) About 30 feet C) About 20 feet D) About 5 feet
- 7. What is the tube called that connects the mouth to the stomach?
A) Esophagus B) Pharynx C) Trachea D) Duodenum
- 8. What is the first part of the small intestine?
A) Ileum B) Duodenum C) Cecum D) Jejunum
- 9. What layer of the digestive tract is responsible for absorption?
A) Mucosa B) Muscularis C) Submucosa D) Serosa
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