Human Digestive System Quiz Quiz

10 multiple choice questions

1. Where does most nutrient absorption take place in the digestive system?

A) Stomach B) Small intestine C) Large intestine D) Liver

2. Which organ is home to digestive enzymes that break down proteins?

A) Stomach B) Small intestine C) Large intestine D) Esophagus

3. What does bile do in the digestive process?

A) Digest proteins B) Emulsify fats C) Digest carbohydrates D) Kill bacteria

4. Which organ produces bile to help digest fats?

A) Stomach B) Small intestine C) Large intestine D) Liver

5. What is peristalsis in the digestive system?

A) Absorption of nutrients B) Wave-like muscle contractions that move food C) Production of enzymes D) Absorption of water

6. What is a function of the gallbladder in digestion?

A) Makes blood B) Produces insulin C) Stores bile D) Produces urine

7. How are nutrients absorbed into the bloodstream from the small intestine?

A) Filtration B) Diffusion and active transport C) Exocytosis D) Osmosis only

8. Which substance does the pancreas produce to neutralise stomach acid?

A) Bile B) Hydrochloric acid C) Sodium bicarbonate D) Water

9. What is the main function of the large intestine in digestion?

A) Breaking down food B) Absorbing nutrients C) Circulating blood D) Eliminating waste

10. What is absorbed by the large intestine before waste is eliminated?

A) Nutrients B) Water and salts C) Fats D) Proteins

Free middle school quizzes and learning guides.