Download Digestion Webquest - hrsbstaff.ednet.ns.ca

Digestion Webquest
Name:_____________________
Section:___________________
Website #1: http://nature.ca/discover/exm/blddgstvsystm/index_e.cfm
Step 1: Click on the human, and order the organs.
Step 2: Watch the video.
1. Order the digestive track given the following word bank:
Small Intestine
Esophagus
Stomach
Caecum
Colon
Rectum
Duodenum
___________________ ____________________ ________________________ ______________ ____ ___________________ _____________________ ________________________
2. Why do you think the camera moves so quickly through the small intestine?
_______________________________________________________________________________________________
_____________________________________________________________________________________________
3. Compare the texture of the small and large intestine. Why would they have different textures? [4 points]
_______________________________________________________________________________________________
_______________________________________________________________________________________________
____________________________________________________________________________________________
Step 3: Click on the bison and order the organs. You do not need to watch the video.
4. Imagine you are a medical student at Dalhousie University. Now imagine you are studying veterinarian medicine at the
University of Prince Edward Island. How would your education differ in the of the digestive system?
_______________________________________________________________________________________________
_______________________________________________________________________________________________
_______________________________________________________________________________________________
_______________________________________________________________________________________________
_______________________________________________________________________________________________
Website #2: http://science.nationalgeographic.com/science/health-and-human-body/human-body/digestivesystem-article.html
Step #1: Click on “Digestive System Anatomy”.
5. In the mouth, what is the function of:
a.
Salivary glands:
___________________________________________________________________________________
___________________________________________________________________________________
b.
Teeth:
___________________________________________________________________________________
___________________________________________________________________________________
c.
Tongue:
___________________________________________________________________________________
___________________________________________________________________________________
d.
Uvula:
___________________________________________________________________________________
___________________________________________________________________________________
6. What is the overall function of the esophagus:
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
_________________________________________________________________________________________
7. What is the function of the gastric folds in the stomach?
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
8. a) What is the function of the liver?
__________________________________________________________________________________________
__________________________________________________________________________________________
b) What is the function of the gallbladder?
__________________________________________________________________________________________
__________________________________________________________________________________________
c) Explain the relationship between the gallbladder and liver.
__________________________________________________________________________________________
__________________________________________________________________________________________
9. How does the pancreas function in digestion?
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
10. What are the three components of the small intestine? Explain the function of each.
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
11. How long is the small intestine? What purpose does its length serve?
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
12. What is the overall purpose of the large intestine?
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
13. What are the components of the large intestine? What is the function of each section?
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
Step #2: Click on “Feed the System”.
Feed the body all four foods.
14. Where does digestion start? What is being broken down here?
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
15. What happens in the stomach? For how long does the food stay here? What breaks down here?
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
16. What does the sugar we eat break down into? What purpose does this serve?
__________________________________________________________________________________________
__________________________________________________________________________________________
17. What purpose do enzymes serve in digestion?
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
18. Briefly explain the connection between the circulatory system and the digestive system?
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________