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