Download NAME

Survey
yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project

Document related concepts
no text concepts found
Transcript
NAME_________________________]
PERIOD____________
22-3 Multipass: Your Digestive System
First Pass: Read each passage and answer the following questions.
How does your body process food?
What are enzymes?
How do enzymes aid in digestion?
What is the difference between mechanical and chemical digestion?
How is food digested in your mouth?
What occurs in your esophagus?
How is food digested in your stomach?
What occurs in the small intestine?
Where is digested food absorbed?
What is the function of the large intestine?
How are bacteria helpful to your body?
Pass2: Define the following terms using your glossary.
mechanical digestion
chemical digestion
saliva
Pass3: Examine the figures and answer the following questions.
Figure 22-10 (p. 612) What is the path food takes when you eat?
Figure 22-15 (p. 616) What would happen to a person’s weight if the number of villi
were drastically reduced?
Pass 4: Summary
Distinguish between mechanical and chemical digestion.
Name the organs in the digestive system.