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