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6.2 The Digestive System
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Answer #11 on page 240 of your textbook.
Name the organs that make up the digestive tract.
Name the accessory organs that assist the digestive system in performing its function.
What are the 4 processes that occur in the digestive system?
What is the difference between physical and chemical digestion?
What is the pharynx?
How does the esophagus move a bolus of food from your mouth to your stomach?
What are the 4 type of teeth in your mouth, and what are their functions?
How does saliva aid with digestion?
Why do molecules normally not get absorbed in your mouth?
What is the primary function of your stomach?
Why would stomach stapling help a person lose weight?
What are the valves that control the entry and exit to your stomach called?
The lining of the stomach has wrinkles. What are they called? What do they do?
What is produced in a gastric gland?
How is the stomach protected from being digested by pepsin?
What is the name of the mixture of food and digestive enzyme that leaves the stomach called?
Why are most enzymes secreted in the small intestine rather than in the stomach?
Explain why pepsin functions better in the stomach while trypsin functions better in the small
intestine. (see the chart on p. 215)
What are the 2 major functions of the small intestine?
There are 3 sections in the small intestine. What is the name of each, and what does it do?
Explain the 3 ways the surface area of the small intestine is increased.
What types of enzymes are produced in the small intestine? What are their functions?
How are the large and small intestine connected?
What are the 3 parts of the large intestine?
Where the appendix and what is its function?
What is the major purpose of the large intestine, and which molecules help it perform this
function?
What are the two main functions of the pancreas?
What does the pancreas produce to neutralize chyme? Why does chyme need to be
neutralized?
List the 4 major enzymes produced in the pancreas and their functions.
What is the function of the Islets of Langerhans?
How do insulin and glucagon regulate your blood sugar levels?
What substance is produced in the liver but stored in the gall bladder?
Why might gall bladder attacks follow a fatty meal?
What is the function of bile?
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Where does bile meet the food you have eaten?
What are some of the functions of the liver?
Which digestive juices have hormonal control?
Which digestive juices have nervous system control?
Which digestive juices are controlled by peristalsis?
What is the function of gastrin?
How do secretin and pancreozymin function?
What is the function of CCK?
What causes heartburn?
What is an ulcer?
What is the difference between diarrhea and constipation?
How are hernias and hemorrhoids different?
Outline how a carbohydrate, a protein, a fat or a nucleic acid is broken down throughout the
digestive system (see p. 225)