Digestive System Study Guide

intestines1. 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?

1) __________________and ___________________break down of food
2) _____________________________ of nutrients
3) ______________________________ of wastes

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)
________________________ to _____________________________ to __________________________
19. What is the function of the pancreas? ________________________________________________________
20. What does the bile duct connect? ____________________________ to the _______________________________
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. The __________________________________ 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