The Human Digestive System - Quiz
- 1. What enzyme starts the digestion of carbohydrates?
A) Pepsin
B) Trypsin
C) Lipase
D) Amylase
- 2. Where does the majority of digestion occur?
A) Mouth
B) Small intestine
C) Esophagus
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) Rectum
B) Cecum
C) Ileum
D) Colon
- 5. Which structure prevents food from entering the windpipe?
A) Epiglottis
B) Larynx
C) Uvula
D) Pharynx
- 6. How long is the average human small intestine?
A) About 15 feet
B) About 5 feet
C) About 20 feet
D) About 30 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) Jejunum
B) Cecum
C) Ileum
D) Duodenum
- 9. What layer of the digestive tract is responsible for absorption?
A) Muscularis
B) Mucosa
C) Submucosa
D) Serosa
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