Digestive System Study Guide

1. What is peristalsis?

2. What are papillae and where are they located?

3. What is the roof of the oral cavity called (2 parts):
Whereis the uvula?

4. What are the three salivary glands and where are they located?

5. What are the two types of movements within the alimentary canal?

6. What are the three main functions of the digestive system?

7. What is the name of the opening where the esophagus pass through the diaphragm?

8. What layer of the alimentary canal carries out absorption?

What layer contains glands, blood vessels, and nerves?
What layer contains the muscles?
What layer covers the structures?

9. What valve opens from the esophagus to the stomach?
What valve opens from the stomach to the small intestine?

10. What structure connects the tongue to the floor of the mouth?

11. What digestive enzyme is produced by the salivary glands?

12. The part of the stomach that sits slightly above the esophagus is called the:

13. What is the hardest substance found in the body?

14. The central cavity of the tooth is made of

The top of the tooth is called the
The part of the tooth that extends below the gums is called the

15. The front teeth are called:

The back teeth are called

The pointed teeth after the incisors are the

16. What is food called after it has been broken down into a paste?
What are the folds inside the stomach called?

17. What causes jaundice in newborns?

18. Trace the path of food once it enters the colon (follow through the parts)

19. What is the function of the pancreas?

20. What does the bile duct connect?
21. Where is the hepatic portal vein located?

22. Trace the path of food from the stomach and through all of the parts of the small intestine:
stomach :
* Which section is the longest?

23. What is the function of the gall bladder?
What is the function of bile?

24. What membrane holds the coils of the small intestine together?
What membrane covers the organs of the digestive system like a curtain ?

25. What is the function of the intestinal villi?

26. What part of the colon is located right before the rectum?

27. Where is the cecum located?
What “useless” structure is attached to it?

28. What part of the system stores waste prior to its elimination?

29. What is a mass movement?

30. The “flora” of the large intestine is what?

31. What is the function of the large intestine?
if this function does not work, what sickness can result?

32. If part of the small intestine pokes through the abdominal muscles, a person has a

33. Hepatitis (A,B, or C) affects which organ of the digestive system?

34. The majority of a human’s diet should consist of what?

35. What substance is mainly responsible for breaking down fats?
What substance is created in the stomach and breaks down food?

36. What is lactose intolerance?

37. What is another name for gastroesophageal reflux disease?

38. What system refers to the liver, pancreas and gall bladder.
What are the three ducts found in that system?

39. If a person has dysentery , they have a dangerous form of

40. Be able to label structures of the digestive system on an image. (This includes a close-up view of the stomach and biliary system)

Digestive System Image: By Pearson Scott Foresman [Public domain], via Wikimedia Commons (adapted)