Review Questions Digestive System

1. Which of the following is connective tissue?

A) muscle

B) internal organs

C) hair

D) blood

2. What are the four types of tissue?

3. What is interstitial fluid?

4. What is difference between endotherm and ectotherms?

5. What is first step of Human Digestive system?

A) digestion

B) ingestion

C) Elimination

D) Absorption

6. What is difference between intracellular and extracellular digestion?

7. Where does ingestion occur?

A) mouth

B) stomach

C) small intestine

D) all of the above

8.Where do carbohydrates begin to break down?

A) stomach

B) small intestine

C) colon

D) mouth

9. What enzyme breaks down protein in the stomach?

A) amylase

B) gastrin

C) chyme

D) pepsin

10. Where is all the nutrients from food absorbed?

A) stomach

B) small intestine

C) large intestine

11. Where is bile produced and where is it stored?

12. Where are fats digested?

A) mouth

B) large intestine

C) stomach

D) small intestine

12. What does the hormone gastrin do?

13. Which specific structure is primary site of digestion in small intestine?

14. Where does all blood from the villi go?

15. What is the main function of the colon?

Answers:

1. D 2. epithelial, connective, nervous, muscle, 3. the internal environment of the animal 4. endotherms warm body from own body heat while ectotherms rely on the environment to regulate their temp 5. B 6. Intracellular- material is broken down inside cell, Extracellular- material is broken down outside cell first then absorbed 7. A 8. D 9. D 10. B 11. produced in liver and stored in gall bladder 12. Stimulates the release of gastric juice in the stomach 13. The villi

14. join at the hepatic portal vessel and continues on to the liver 15. recover water from waste