1. Title: Digestive System: Structures & Functions
Bio 9B: Monday, 11/21/11
Title: Digestive System: Structures & Functions
Homework: Finish the Digestive System Reading Worksheet if you don’t finish it in class.
Silent Do Now:
Pick up your clicker (you will need it later)
Answer questions #1-6 on the front and back of the worksheet.
Stop before the Biochemistry Review.
Today’s Objectives:
Describe the difference between structure and function, and explain how an object’s structure relates to its function
Explain the difference between physical (mechanical) digestion and chemical digestion
Describe the structures and functions of digestive system organs, and explain how they relate to each other

2. Today’s Agenda
Biograph Computer Simulation Debrief and Clicker Review (15 min)
Introduction to Digestive System and Structures/Functions (15 min)
Partner Reading Activity (30 min)
Group Poster Making (30 min)

3. Computer Simulation Debrief
Get ready for some clicker questions…

4. How do enzymes “find” their substrates?
Magnetic attraction
Active searching
Random movement

5. Which graph best shows the enzyme vs. no enzyme results?
Graph A
Graph B
Graph C
Graph D

6. In Question 5, when did the student add the enzyme?
Between 0.0 and 0.5 min
Between 0.5 and 1.0 min
Between 1.0 and 1.5 min
Between 2.0 and 2.5 min

7. Computer Simulation Debrief
Complex systems…
What rules did the individual “agents” follow?
What patterns did you see?
One thing you now understand about enzymes that you didn’t know before?
Differences between learning from computer simulations vs. lab experiments? Pros and cons of each?

8. Shifting gears… Get a seating survey and fill it out
Find these two assignments and pass them forward if you haven’t gotten them graded:
Intro to Enzymes worksheet
Enzyme Lab Part 1
Then, talk with the people near you to review and fill in the Biochemistry Review part of your Do Now worksheet

9. What makes up carbohydrates?
Polypeptides, peptides, amino acids
Lipids, fatty acids, glycerol
Polysaccharides, disaccharides, monosaccharides

10. What makes up lipids? Polypeptides, peptides, amino acids
Lipids, fatty acids, glycerol
Polysaccharides, disaccharides, monosaccharides

11. What makes up proteins? Polypeptides, peptides, amino acids
Lipids, fatty acids, glycerol
Polysaccharides, disaccharides, monosaccharides

12. Today’s Agenda Biograph Computer Simulation Debrief and Clicker Review
Introduction to Digestive System and Structures/Functions
Observation/Notes Activity
Partner Reading Activity
Group Poster-Making
Objectives for Class:
Describe the difference between structure and function, and explain how an object’s structure relates to its function
Describe the major structures and functions of all organs in the digestive system

13. Title: Digestive System: Structures & Functions
Bio 9B: Monday, 11/21/11
Title: Digestive System: Structures & Functions
Set up your notes with today’s date and title!
DIGESTION – breaking down food so that it can be absorbed into the bloodstream
Carbohydrates:
Polysaccharides  Disaccharides  Monosaccharides
Lipids:
Lipids  Fatty acids and Glycerol
Proteins:
Polypeptides  Peptides  Amino acids
All of these chemical reactions happen in the digestive system w/ the help of enzymes!

14. Do Now #2 (write this in your NB)
What does the word structure mean?
Structure – what something looks like (shape, size, texture, color, what parts it has)
What does the word function mean?
What something does – it’s job, it’s purpose

15. Observation Activity: Write in NB, silently on your own
Object #1:
Describe the structure of this object.
(What is it made of? What’s its shape? What parts does it have?)
What is the function of this object?
How does its structure help it to perform its function?
Objectives for Class:
Describe the difference between structure and function, and explain how an object’s structure relates to its function
Describe the major structures and functions of all organs in the digestive system

16. Object #2: Describe the structure of this object.
(What is it made of? What’s its shape? What parts does it have?)
What is the function of this object?
How does its structure help it to perform its function?
Objectives for Class:
Describe the difference between structure and function, and explain how an object’s structure relates to its function
Describe the major structures and functions of all organs in the digestive system

17. Object #3: Describe the structure of this object.
(What is it made of? What’s its shape? What parts does it have?)
What is the function of this object?
How does its structure help it to perform its function?
Objectives for Class:
Describe the difference between structure and function, and explain how an object’s structure relates to its function
Describe the major structures and functions of all organs in the digestive system

18. Discuss the Observations…
Function:
Hold/contain/store things
Relate structure to function:
Sack-like shape with space inside to hold stuff
Drawstring opening can open to receive things, and close so they don’t fall out
Similar digestive organ:
Stomach
Function:
Dry things by absorbing water
Relate structure to function:
Cotton material is very absorbent
Tiny strings on surface provide more space for absorbing stuff
Similar digestive organ:
Small intestine
Function:
Crush things
Relate structure to function:
Hinges allow it to open to receive things & close to crush them
Metal provides hard crushing surface
Ridges prevent things from slipping out
Similar digestive organ:
Mouth

19. Reading Activity Choose one partner to work with, or read on your own
Ask me before moving your seat
Work quietly and productively to answer the questions on the reading worksheet
Your goal: You will be able to…
Define the purpose of the digestive system
Explain the difference between mechanical and chemical digestion
Describe the structures and functions of 5 organs in the digestive system

20. Title: Digestion Project!
Bio 9B: Tuesday, 11/22/11
Title: Digestion Project!
Homework: Have a great Thanksgiving Vacation!
No required homework but you may want to revise lab reports and/or start the Digestion Project
Silent Do Now: (in NB w/ date and title)
If you got your enzyme lab back, look it over and write: what did you do well? What will you focus on for revisions? If you didn’t – what do you need to do to turn in your lab report?
Take out yesterday’s reading worksheet and use it to answer:
What is the difference between physical and chemical digestion?
Pick one organ you read about, and explain how its structure fits its function.

21. Important Info for Today
Lab Report Revisions:
Due by the end of next week
Anyone can do them, and people who don’t have a total grade on their rubric are REQUIRED to revise
Today: Notes on “Digestion Man!”
Then introduce the digestion project
Objectives: You will be able to…
Follow carbohydrates, proteins, and lipids through the digestive system.
Describe the mechanical and chemical digestion that breaks down carbohydrates, proteins, and lipids

22. MOUTH ESOPHAGUS LIVER STOMACH GALLBLADDER PANCREAS
Structure:
Mechanical Digestion/Absorption:
Chemical Digestion:
Structure-Function Connection:
ESOPHAGUS
Structure:
Function:
Structure-Function Connection:
Hinged jaws, hard teeth, muscular tongue, saliva
Long muscular tube
Pushes food from mouth to stomach by peristalsis (waves of muscle contraction)
Crushing, grinding, moistening food
Starch salivary amylase Glucose
Muscles help squeeze food down the tube
Jaws open & close to crush; hard teeth grind; tongue mixes food w/ saliva
LIVER
Major Function:
STOMACH
Structure:
Mechanical Digestion:
Chemical Digestion:
Structure-Function Connection:
Makes bile for lipid digestion in small intestine
Muscular sac containing acids & enzymes
Food churned/mixed with acids & enzymes; acids kill bacteria & loosen food particles
GALLBLADDER
Major Function:
Stores and releases bile into small intestine
Protein pepsin Peptides
PANCREAS
Major Function:
Muscles in stomach walls contract to churn food
Makes enzymes for small intestine

23. Title: Digestive System, continued
Bio 9B: Monday, 11/28/11
Title: Digestive System, continued
Welcome back from break!
Homework: Finish the Digestion Project Planning Packet, OR do a complete outline for your digestion project
Silent Do Now: (in NB w/ date and title)
Describe a meal you ate over Thanksgiving break. What were the carbs in the meal? The proteins? The lipids?
If you were here on Tuesday – describe what happened to that food in your mouth, your esophagus, and your stomach. Where was the starch chemically digested? Where was the protein chemically digested?
If you were NOT here last week – please fill out a seating questionnaire. We will get new seats once I have everyone’s answers!

24. Today’s Objectives & Agenda
You will be able to…
Follow carbohydrates, proteins, and lipids through the digestive system.
Describe the mechanical and chemical digestion that breaks down carbohydrates, proteins, and lipids
Explain the requirements for the Digestion Project
We will accomplish this by…
Finishing notes on Digestion Man
Reviewing the requirements and an example of the Digestion Project
Working to complete the project planning guide or outline

25. ZOOM IN ON THE SMALL INTESTINE!
Structure:
Mechanical Digestion:
Chemical Digestion:
Absorption:
Structure-Function Connection:
LARGE INTESTINE
Structure:
Chemical Digestion:
Absorption:
Structure-Function Connection:
Long narrow tube with millions of folds (villi) and hairs (microvilli)
Wide tube w/ many bacteria
Bacteria break down wastes and release vitamins
Bile breaks lipid globs into smaller chunks
ZOOM IN ON THE SMALL INTESTINE!
Water and vitamins absorbed into bloodstream
Waste is solidified and compacted
Starch amylase Glucose
Disaccharides Monosaccharides
Protein trypsin Peptides
Peptides peptidase Amino acids
Width of tube provides space for waste to build up and get compacted
Lipids lipase Fatty acids & glycerol
RECTUM
Major Function:
Villi absorb all nutrients/monomers into the bloodstream (glucose, amino acids, fatty acids…)
ANUS
Major Function:
Store digestive waste (feces)
Long tube + villi/microvilli provide a lot of surface to absorb all the nutrients.
Release feces from the body

26. How the Internal Organs Fit Together Image shows major digestive, respiratory, and circulatory system organs
Front View
Back View
Images:

27. Digestive System: Structures Introducing the Digestion Project!

28. 9B - Seats Front of room
Tia
Naidaliz
Nicole
Kira
Zak
Steven
Emily
Aaron
Natalie
Sara
Sequoia
Ritshly
Skyeler
Tracey
Noah
Tiarrah
Emperor
Justin
Ronica
Jarred
Priscilla
Jenna
Destinee DJ
Elizabeth

29. Title: Digestion Project
Bio 9B: Tuesday, 11/29/11
Title: Digestion Project
Homework: Work on your digestion project – Complete Rough Draft done by Thursday
Silent Do Now: (in your notebook w/ title & date)
What form will your digestion project take – creative writing? Illustrated storybook? Graphic novel? Video animation?
What ideas do you have for the project at this point?
What questions do you have?
What do you plan to accomplish in class today?
Today’s Objectives:
Follow carbohydrates, proteins, and lipids through the digestive system.
Describe the mechanical and chemical digestion that breaks down carbohydrates, proteins, and lipids

30. Guidelines for Today’s Work Time
We are going to work silently for the first 15 minutes of work time, so that everyone can get their mind into the work without distracting conversation.
I will call up one row at a time to get a laptop if you need one.
If we have 15 great minutes of silent, productive work – you can then talk quietly as you work for the rest of the period.

31. Title: Digestion Project continued!
Bio 9B: Thursday, 12/1/11
Title: Digestion Project continued!
Homework: Final draft of Digestion Project due Tomorrow
Unit 4 Test will be on Monday, NOT tomorrow!
Silent Do Now:
Pick up and complete the Digestive System Review Worksheet!
We will have 15 minutes for this, since it’s long. If you finish early, start working on your project (raise your hand for a laptop).
Agenda:
Do Now (15 min, plus 5 min to review it)
Project Work Time (1.25 hours)

32. The Digestion Project:
The Digestion Project: Day 3 The Creative Portrayal of the Digestive System
Next Steps:
Work individually or with a partner to turn your rough draft into a final draft!
Norms for Project Work Time:
During the first period, we will have silent work time or conferences with a partner to proofread
Raise your hand if you want to use a computer
Reminder: Goals/Objectives for this Project:
Trace the path of food through the digestive system
Explain the structures and functions of each major organ along the way
Explain how carbs, lipids, and proteins get mechanically and chemically digested

33. Bio 9B: Friday, 12/2/11 Title: Unit 4 Review Silent Do Now: Agenda:
Homework: Study for Monday’s Test by answering the questions on the back of the review sheet.
Silent Do Now:
Take out your Digestion Project and put it on your desk, unless you ed it or need to print.
Pick up and complete the Review Worksheet (Part 2)
We will have 15 minutes for this, since it’s long. If you finish early, take out your Weekly Assignment Sheet and begin answering the questions on the back.
Agenda:
Do Now (15 min, plus 5 min to review it)
Project Show & Tell (5-10 min)
Test Review (20 min)

34. Objectives for Test Review
You should be able to answer all questions on the back of the Weekly Assignment Sheet.
To meet this goal, you may:
Write the answer to each question in your notebook
Work on the 2 review worksheets from yesterday and today
Do Quiz Corrections on the Biochemistry quiz
Whether you are working alone or with a partner, work quietly and professionally so that you and your classmates can best prepare for Monday’s test

35. MOUTH ESOPHAGUS LIVER STOMACH GALLBLADDER PANCREAS
Structure:
Mechanical Digestion:
Chemical Digestion:
Structure-Function Connection:
ESOPHAGUS
Structure:
Function:
Structure-Function Connection:
LIVER
Major Function:
STOMACH
Structure:
Mechanical Digestion:
Chemical Digestion:
Structure-Function Connection:
GALLBLADDER
Major Function:
PANCREAS
Major Function:

36. SMALL INTESTINE LARGE INTESTINE RECTUM ANUS
Structure:
Mechanical Digestion:
Chemical Digestion:
Absorption:
Structure-Function Connection:
LARGE INTESTINE
Structure:
Chemical Digestion:
Absorption:
Structure-Function Connection:
RECTUM
Major Function:
ANUS
Major Function: