Name: _______________________
Date: _________________
Period #: _________
Digestive System Study Guide
Digestive System:
1. Below, label the model of the digestive system and add in the functions of each organ. Also,
add in the evidence you have from class to support the functions you put down for each
part.
2-4. List the functions of the organs below and add in the evidence. Be descriptive!
2. Liver –
3. Pancreas –
4. Gallbladder -
5- 19. Directions: Complete the questions below in complete sentences.
5. Explain the contents of the stomach and how it digests food. (Hint…reference the lab!)
6. The mouth has both teeth and saliva. Explain why both are necessary.
7. Define peristalsis. Explain how it relates to the esophagus in detail. Provide evidence
using the esophagus lab done in class.
8. Explain how nutrients from the digestive system get to the rest of the body.
9. When you cough because your soda went down the wrong pipe, what is happening?
Explain what parts of the body contribute to this.
10. Where does most protein digestion take place? Where does most carbohydrate digestion
take place? Where does most fat digestion take place? What liquids in each of these
locations help with the breakdown of these things?
11. List 3 foods high in protein. List 3 foods high in carbohydrates. List 3 foods high in fat.
List 3 foods high in fiber.
12. Why do you think the small intestine is so long? Explain why you think it has so much
surface area by having villi inside. Use as many details as possible and reference the
paper towel lab.
13. Do you get energy from diet soda? Explain.
14. List the parts of the digestive system that food goes through in order from start to finish:
15. In which two organs does most of the digestion of food take place?
16. Which organ is responsible for most chemical digestion? Which organ is responsible for
most mechanical digestion?
17. Define mechanical digestion. Define chemical digestion. How do they work together?
Give examples using the stomach and mouth.
18. Can chemical digestion happen without mechanical digestion? How do you know?
19. What two chemicals are needed to digest fat? Explain using evidence from the bile lab!
20. Why do we need to eat? Explain using details!
21. What is the function of the large intestine? If you are having a “problem” with your LI,
what symptom will you most likely experience?