SBI3U
Thursday, May 14, 2009
Read,Nutrition and Digestionpages 244-245.
Read Section 8.1,Nutritionpages 246-255.
Understand and defineALL the terms in bold.
Nutrients:Macronutrients- Carbohydrates
-FatsFatty acids
Essential fatty acids - name them. Why are
they considered essential?
Compare the energy stored in fat to the energy stored in carbohydrates or protein on a
gram to gram basis.
- ProteinsEssential amino acids
Understand the functions of Proteins
Table 8.2
Micronutrients- VitaminsCoenzymes
-MineralsTrace elements
Understand the importance of
Vitamins and Minerals Required in
the Human Diet
Table 8.3
Roughage
Water
What causes the diseases:Scurvy and Beriberi
Label the following nutrients based on their structure:
Figure 1
Figure 2Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
Answer Section 8.1 Review – page 255:
Understanding Concepts: 2,3,4
Applying Inquiry / Communication Skill: 5 a-c, 6, 7
Complete Handout:Nutrition Concept Map
Read Section 8.2:The Digestive Systempages 256 – 266
Read Section 8.3:Accessory Organs in Digestion and Their Associated Enzymespages 267 - 274
Ensure you understand all words in BOLD in the text.
Understand:Levels of organization in the human body
Label:
Types of digestion:Mechanical
Chemical
and where they take place.
Know parts to:Oral Cavity (Mouth) – including teeth types and what type of digestion takes place in
the mouth
Esophagus – including how food is moved through the esophagus
Label:
(be specific with
the Salivary glands (9, 10 and 11) they have different names!
Label:
Describe the process of swallowing food.
What is this piece of food called that
moves down the esophagus to the stomach?
Know parts to:Stomach – including what type of digestion takes place in the stomach
-How is pepsin secreted and then activated in the stomach?
-What is rennin and during what phase of a person’s life is it active?
-How is the lining of the stomach protected?
Label:
Know parts to:Small Intestine (3 parts – in the order food passes through them)
including what type of digestion takes place in the small intestine
How is the surface area of the small intestine increased (describe the different methods used by the body)
Label:
Label:
Know parts to:Large Intestine – including what type of digestion takes place in the small intestine
Label:
The Liver, Gallbladder and Pancreas are accessory organs to the digestive system and provide specific functions. Describe their functions in terms of the digestive system.
What type of digestion does each provide for the digestive system?
What enzymes are produced by the pancreas and what do they digest?
What is the function of the hormone cholecystokinin and what stimulates its release (from where?)
What major enzyme is found in the liver and what is its function?
Label:
Label:
Define:Homeostasis
Describe how blood glucose levels are maintained within narrow limits within the body. Make sure you use the hormones insulin and glucagon in your answer.
Answer:Applying Inquiry / Communication Skills – 6 and 7page: 274
Handouts:The Food Machine (video worksheet)
Human Digestive System
Activity: Digestive System
Human Digestive System
Salivary GlandsLabel the diagram worksheets
Swallowing
Swallowing
Stomach: 1
Small Intestine Structure
Small and large intestine: 1
Find the Word
Structure and Function of the Digestive Organs
1