1

The MouthWhat are tonsils and what is their function?

What are adenoids?

How many pairs of salivary glands are in the mouth?

List each component of saliva and its function:

1.

2.

3.

4.

5.

6.

Chapter 8 – Digestive System and Nutrition

2

SwallowingDescribe the esophagus.

Why doesn’t food enter the nasal passage?

Why doesn’t food enter the trachea?

What is the epiglottis?

What is the glottis?

What is peristalsis?

What is a bolus?

What are sphincters and what do they do?

What do sphincters have to do with heartburn?

What does the diaphragm have to do with the digestive system?

Write the NAME and FUNCTION for each structure.

3

What is the difference between an accessory organ and a tract organ?

Fig. 8.2

4

Describe each layer of the wall of the gastrointestinal (GI) tract.

What is the purpose of each vessel?

http://anatomisty.com/anatomy-sistems/human-stomach-2/

How many layers of muscle does the stomach wall have?

What are rugae?

Where are gastric glands?

What do gastric glands secrete?

What does gastric juice contain?

What does pepsin do?

What does HCl do?

What is peristalsis?

What does the pyloric sphincter do?

Table 8.1

6

Make flashcards.

http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/G/GITract.html

What is small about the small intestine?

How long is the small intestine?

What is the duodenum?

What happens in the duodenum?

Where does most digestion take place?

Where does most absorption of nutrients take place?

What is a villus?

What is a lacteal?

Fig. 8.7

8

Fill in the enzymes, pH, and destination vessel for each nutrient.

Fig. 8.8a

9

What does pancreatic juice contain? What is the function of each component?

Table 8.2

10

1.

2.

3.

4.

5.

6.

7.

Fig. 8.9

11

Explain the function of

Secretin:

Cholecystokinin

Gastrin

Fig. 8.10

12

What is the function of the large intestine?

What does the large intestine NOT do?

Describe the relationship between bacteria and the large intestine.

Table 8.5

13

Table 8.7

14

Table 8.8

15

16

Miscellaneous factsWhat are polyps and what do they have to do with cancer?

How do fiber and fat in the diet relate to cancer?

What is lactose intolerance?

Why does your stomach growl?

What is jaundice and what causes it?

What is hepatitis ?

List differences between hepatitis A, hepatitis B, and hepatitis C.