1. The Digestive System
Chapter 8

2. Overview of Structures, Combining Forms, and Functions of the Digestive Systems

3. Major Structures and Accessory Organs of the Digestive System
© Cengage Learning

4. Mouth Primary Function Related Word Parts (Combining Forms)
Begins preparation of food for digestion
Related Word Parts (Combining Forms)
or/o
stomat/o

5. Structures of the Tongue and Oral Cavity
© Cengage Learning

6. Pharynx Primary Function Related Word Parts (Combining Forms)
Transports food from the mouth to the esophagus
Related Word Parts (Combining Forms)
pharyng/o

7. Esophagus Primary Function Related Word Parts (Combining Forms)
Transports food from the pharynx to the stomach
Related Word Parts (Combining Forms)
esophag/o

8. Stomach Primary Function Related Word Parts (Combining Forms)
Breaks down food and mixes it with digestive juices
Related Word Parts (Combining Forms)
gastr/o

9. Structures of the Stomach
© Cengage Learning

10. Small Intestine Primary Function Related Word Parts (Combining Forms)
Completes digestion and absorption of most nutrients
Related Word Parts (Combining Forms)
enter/o

11. Large Intestine Primary Function Related Word Parts (Combining Forms)
Absorbs excess water
Prepares solid waste for elimination
Related Word Parts (Combining Forms)
col/o, colon/o

12. Structures of Large Intestine
© Cengage Learning

13. Rectum and Anus Primary Function Related Word Parts (Combining Forms)
Controls the excretion of solid waste
Related Word Parts (Combining Forms)
an/o
proct/o
rect/o

14. Liver Primary Function Related Word Parts (Combining Forms)
Secretes bile and enzymes to aid in the digestion of fats
Related Word Parts (Combining Forms)
hepat/o

15. Gallbladder Primary Function Related Word Parts (Combining Forms)
Stores bile and releases it to the small intestine as needed
Related Word Parts (Combining Forms)
cholecyst/o

16. Pancreas Primary Function Related Word Parts (Combining Forms)
Secretes digestive juices and enzymes into small intestine as needed
Related Word Parts (Combining Forms)
pancreat/o
(continues)

17. Pancreas
© Cengage Learning

18. Key Word Parts and Definitions
an/o
anus, ring
chol/e
bile, gall
cholecyst/o
gallbladder
col/o, colon/o
colon, large intestine
(continues)

19. Key Word Parts and Definitions
-emesis
vomiting
enter/o
small intestine
esophag/o
esophagus
gastr/o
stomach, belly
(continues)

20. Key Word Parts and Definitions
hepat/o
liver
-lithiasis
presence of stones
-pepsia
digest, digestion
-phagia
eating, swallowing
(continues)

21. Key Word Parts and Definitions
proct/o
anus and rectum
rect/o
rectum, straight
sigmoid/o
sigmoid colon

22. Questions

23. Question
The hydrochloric acid in the human stomach is strong enough to dissolve a nail. True or False?

24. Question
How many pounds of force can the jaw muscles provide to bring the back teeth together for chewing? 50
200
500

25. Question
If 80% of the human liver was removed, it could still function and would eventually regenerate to its original size.
True or False?

26. Question
The body’s longest internal organ is the small intestine at an average length of about:
20 feet
10 feet
5 feet