- 1. The two organs that produce digestive fluids that are secreted into the small intestine are
A) colon and gall bladder
B) gall bladder and jejunum
C) liver and pancreas
D) liver and gall bladder
- 2. The tiny projections that cover the surface of the folds in the small intestine are
A) muscles
B) villi
C) teeth
D) ulcers
- 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) elimination
B) digestion
C) diffusion
D) evaporation
- 4. The wad (ball) of food that is swallowed after chewing is called a
A) nutrients
B) gunk
C) bolus
D) chyme
- 5. Food in the stomach that becomes liquid is called
A) acid
B) mucus
C) chyme
D) water
- 6. Material that is not digestible becomes
A) space junk
B) feces
C) bolus
D) chyme
- 7. An example of mechanical digestion is
A) chewing
B) swallowing
C) peristalsis
D) bile
- 8. An example of what aids in chemical digestion is
A) sugars
B) peristalsis
C) diffusion
D) acids and enzymes
- 9. This material passes through the colon and is composed of water, undigested food, mucus, dead cells, and bacteria.
A) bolus
B) feces
C) mucus
D) chyme
- 10. The long tube of the digestive tract is also called
A) alimentary canal
B) large intestine
C) Panama canal
D) appendicitis
- 11. Where feces are stored before leaving the body
A) rectum
B) stomach
C) anus
D) large intestine
- 12. These pass through the walls of the large intestine into the bloodstream.
A) enzymes
B) nutrients
C) bile and chyme
D) water and minerals
- 13. The substance produced by the liver is
A) amylase
B) renin
C) bile
D) pepsin
- 14. Which organ absorbs the most water?
A) small intestine
B) large intestine
C) stomach
D) esophagus
- 15. Which figure better illustrates a cross-section of the small intestine?
A) B
B) A
- 16. After nutrients are absorbed in the small intestine, where do they go?
A) Into the large intestine to be digested
B) Diffuse into your bloodstream to be moved around the body
C) None of these
D) Exit the body through sweat
- 17. Which organ is NOT part of the alimentary canal?
A) Liver
B) stomach
C) large intestine
D) esophagus
- 18. What kind of digestion occurs while food is in the mouth?
A) Chemical
B) Both
C) Neither
D) Mechanical
- 19. Which organ absorbs the most nutrients
A) stomach
B) large intestine
C) small intestine
D) pancreas
- 20. The muscular movement which pushes food through the digestive system
A) peristalsis
B) swallowing
C) bolus
D) digesting
- 21. Which is NOT a function of the digestive system is to
A) absorb nutrients
B) deliver oxygen to the cells
C) absorb water
D) break down food
- 22. The function of the Digestive System is to
A) Excrete waste
B) All of these
C) break down foods
D) absorb nutrients
- 23. There are muscles that help digest food.
A) False
B) True
- 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) True
B) False
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