- 1. The two organs that produce digestive fluids that are secreted into the small intestine are
A) liver and pancreas
B) colon and gall bladder
C) gall bladder and jejunum
D) liver and gall bladder
- 2. The tiny projections that cover the surface of the folds in the small intestine are
A) teeth
B) ulcers
C) villi
D) muscles
- 3. The process by which the nutrients from the digested food pass into the blood vessels through the wall of the small intestine is called
A) evaporation
B) diffusion
C) elimination
D) digestion
- 4. The wad (ball) of food that is swallowed after chewing is called a
A) bolus
B) nutrients
C) gunk
D) chyme
- 5. Food in the stomach that becomes liquid is called
A) acid
B) water
C) mucus
D) chyme
- 6. Material that is not digestible becomes
A) bolus
B) chyme
C) feces
D) space junk
- 7. An example of mechanical digestion is
A) bile
B) peristalsis
C) chewing
D) swallowing
- 8. An example of what aids in chemical digestion is
A) peristalsis
B) diffusion
C) sugars
D) acids and enzymes
- 9. This material passes through the colon and is composed of water, undigested food, mucus, dead cells, and bacteria.
A) feces
B) chyme
C) mucus
D) bolus
- 10. The long tube of the digestive tract is also called
A) appendicitis
B) large intestine
C) Panama canal
D) alimentary canal
- 11. Where feces are stored before leaving the body
A) large intestine
B) anus
C) rectum
D) stomach
- 12. These pass through the walls of the large intestine into the bloodstream.
A) nutrients
B) enzymes
C) bile and chyme
D) water and minerals
- 13. The substance produced by the liver is
A) renin
B) bile
C) pepsin
D) amylase
- 14. Which organ absorbs the most water?
A) small intestine
B) large intestine
C) esophagus
D) stomach
- 15. Which figure better illustrates a cross-section of the small intestine?
A) A
B) B
- 16. After nutrients are absorbed in the small intestine, where do they go?
A) Exit the body through sweat
B) None of these
C) Diffuse into your bloodstream to be moved around the body
D) Into the large intestine to be digested
- 17. Which organ is NOT part of the alimentary canal?
A) large intestine
B) esophagus
C) stomach
D) Liver
- 18. What kind of digestion occurs while food is in the mouth?
A) Neither
B) Mechanical
C) Chemical
D) Both
- 19. Which organ absorbs the most nutrients
A) stomach
B) pancreas
C) large intestine
D) small intestine
- 20. The muscular movement which pushes food through the digestive system
A) peristalsis
B) bolus
C) digesting
D) swallowing
- 21. Which is NOT a function of the digestive system is to
A) break down food
B) absorb nutrients
C) deliver oxygen to the cells
D) absorb water
- 22. The function of the Digestive System is to
A) All of these
B) absorb nutrients
C) break down foods
D) Excrete waste
- 23. There are muscles that help digest food.
A) True
B) False
- 24. There are no diseases which affect the Digestive System
A) True
B) False
- 25. Without proper digestion the body would not be able to maintain homeostasis.
A) False
B) True
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