1. Which organs help with the absorption of nutrients?

A. gall bladder, kidneys, and appendix

B. pancreas, liver, and gall bladder

C. kidneys, liver, and gall bladder

D. liver, heart, and spleen


2. Where does digestion begin?

A. mouth C. large intestine

B. stomach D. small intestine


3. What role does saliva play in digestion?

A. It helps break down food.

B. It moves food through intestine.

C. Saliva does not help with digestion.

D. It coats your stomach with protective lining.


4. In which part of the small intestine do most digestion take place?

A. duodenum
B. heart
C. liver
D. pancreas


5. What is the main role of the large intestine?

A. absorb water C. break down solid food

B. mash and cut foods D. churn food around with enzymes


6. What organs produce enzymes that help in digestion?

A. eyes and ears C. heart and kidneys

B. nose and ears D. pancreas and liver


7. Which of the following is the function of a liver?

A. mush up food. C. turn water into food.

B. help the stomach. D. remove the harmful substances from the blood.


8. When they reach the stomach, mashed up food particles mix with __________.

A. bile C. gastric juice

B. mucus D. Psidium guajava juice


9. What is the baglike muscular organ that mixes and chemically changes protein?

A. liver C. small intestine

B. stomach D. large intestine

10. What is the correct sequence of the steps involved in the process of Human

Digestive system?

A. digestion, ingestion, assimilation, excretion, absorption

B. ingestion, digestion, absorption, assimilation, excretion

C. excretion, absorption, digestion, assimilation, ingestion

D. assimilation, absorption, ingestion, digestion, excretion​