March 13 Bellwork –Turn in Perfect Paragraph #4 Classwork –11.1 ppt –11.1 OneSheet Homework –none.
Homework: None
description
Transcript of Homework: None
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Homework: NoneNote: If I don’t have your lab report at this
moment, you have a HW detention this afternoon.
Silent Do Now:1. Take out the Digestive System Reading Guide2. (in notebook) What do each of the following
words mean? Structure Function
Today’s Objectives: Describe the difference between structure and function,
and explain how an object’s structure relates to its function Describe the structures and functions of digestive system
organs, and explain how they relate to each other
Bio 9A: Thursday, 11.18.10Title: Digestive System: Structures & Functions
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Today’s Agenda Extended Do Now – A series of slides
that show pictures and ask you to write about them. (15 min) Do this silently, on your own (no talking)
Group Poster Making – focused on connecting the structures & functions of digestive system organs (20 min)
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
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Extended Do Now:
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?
Object #1:
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
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Extended Do Now:
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?
Object #2:
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
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Extended Do Now: 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?
Object #3:
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
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Discuss the Do Now…
Function: Crush thingsRelate 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
Function: Hold/contain/store thingsRelate 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 waterRelate structure to function: Cotton material is
very absorbent Tiny strings on
surface provide more space for absorbing stuff
Similar digestive organ:
Small intestine
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Small Group Activity:Digestive Organ Poster
Work as a group to make a poster that includes:a)A diagram of your organb)A note explaining which other organs it
connects toc)A written description that includes:
a) The structure of the organb) The functions of the organ, including:
a) What kind of mechanical digestion or transport happens here?
b) What chemical digestion happens here (if any)? (Hint: write the chemical reactions and include the enzymes)
c) How does its structure help it to perform its functions?
Use textbooks and reading notes for reference.Work efficiently by dividing the tasks and working
simultaneously.
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Homework: None. Note: If I don’t have your lab report it is now 3
days late. You have HW detention on Monday if I do not have it by then.
Silent Do Now: (in NB w/ title & date)1. Read and complete the seating
questionnaire.2. Short paragraph in notebook: Describe the structure and function of
your group’s organ from yesterday. How does its structure help with its function?
Bio 9A: Friday, 11.19.10Title: Digestive System: Structures & Functions
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Agenda: 5 min: Look at quizzes 15 min: Groups finish posters 40 min: Poster Presentations & Notes 20 min: Worksheet Today’s Objectives:
Describe the structures and functions of digestive system organs, and explain how they relate to each other
Explain the purpose of the Digestion Project and identify what meal you will use.
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Small Group Activity:Digestive Organ Poster
Work as a group to make a poster that includes:a)A diagram of your organb)A note explaining which other organs it
connects toc)A written description that includes:
a) The structure of the organb) The functions of the organ, including:
a) What kind of mechanical digestion or transport happens here?
b) What chemical digestion happens here (if any)? (Hint: write the chemical reactions and include the enzymes)
c) How does its structure help it to perform its functions?
Use textbooks and reading notes for reference.Work efficiently by dividing the tasks and working
simultaneously.
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MOUTHStructure:
Mechanical Digestion/Absorption:
Chemical Digestion:
Structure-Function Connection:
GALLBLADDERMajor Function:
LIVERMajor Function:
STOMACHStructure:
Mechanical Digestion/Absorption:
Chemical Digestion:
Structure-Function Connection:
ESOPHAGUSStructure:
Mechanical Digestion/Absorption:
Chemical Digestion:
Structure-Function Connection:
PANCREASMajor Function:
Hinged jaws, hard teeth, muscular tongue, saliva
Crushing, grinding, moistening foodStarch salivary amylase GlucoseJaws open & close to crush; hard teeth grind; tongue mixes food w/ saliva
Long muscular tube
Pushes food from mouth to stomach by peristalsis (waves of muscle contraction) None
Muscles help squeeze food down the tube
Muscular sac containing acids & enzymesFood churned/mixed with acids & enzymes; acids kill bacteria & loosen food particles
Protein pepsin Peptides
Muscles in stomach walls contract to churn food
Makes bile for lipid digestion in small intestine
Stores and releases bile into small intestine
Makes enzymes for small intestine
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MOUTHStructure:
Mechanical Digestion/Absorption:
Chemical Digestion:
Structure-Function Connection:
GALLBLADDERMajor Function:
LIVERMajor Function:
STOMACHStructure:
Mechanical Digestion/Absorption:
Chemical Digestion:
Structure-Function Connection:
ESOPHAGUSStructure:
Mechanical Digestion/Absorption:
Chemical Digestion:
Structure-Function Connection:
PANCREASMajor Function:
Hinged jaws, hard teeth, muscular tongue, saliva
Crushing, grinding, moistening foodStarch salivary amylase GlucoseJaws open & close to crush; hard teeth grind; tongue mixes food w/ saliva
Long muscular tube
Pushes food from mouth to stomach by peristalsis (waves of muscle contraction) None
Muscles help squeeze food down the tube
Muscular sac containing acids & enzymesFood churned/mixed with acids & enzymes; acids kill bacteria & loosen food particles
Protein pepsin Peptides
Muscles in stomach walls contract to churn food
Makes bile for lipid digestion in small intestine
Stores and releases bile into small intestine
Makes enzymes for small intestine
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How the Internal Organs Fit Together Image shows major digestive, respiratory, and circulatory system organs
Front View Back View
Images: http://www.turbosquid.com/FullPreview/Index.cfm/ID/270177
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SMALL INTESTINEStructure:
Chemical Digestion:
Mechanical Digestion/Absorption:
Structure-Function Connection:
LARGE INTESTINEStructure:
Chemical Digestion:
Mechanical Digestion/Absorption:
Structure-Function Connection:
RECTUMMajor Function:
ANUSMajor Function:
Long narrow tube with millions of folds (villi) and hairs (microvilli)Starch amylase GlucoseDisaccharides MonosaccharidesProtein trypsin PeptidesPeptides peptidase Amino acidsLipids lipase Fatty acids & glycerolBile breaks up lipid globsVilli absorb all nutrients/monomers into the bloodstream (glucose, amino acids, fatty acids…)
Long tube + villi/microvilli provide a lot of surface to absorb all the nutrients.
Wide tube w/ many bacteria living there
Bacteria break down wastes and release vitaminsWater and vitamins absorbed into bloodstreamWaste is solidified and compactedWidth of tube provides space for waste to build up and get compacted
Release feces from the body
Store digestive waste (feces)
ZOOM IN ON THE SMALL INTESTINE!
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SMALL INTESTINEStructure:
Chemical Digestion:
Mechanical Digestion/Absorption:
Structure-Function Connection:
LARGE INTESTINEStructure:
Chemical Digestion:
Mechanical Digestion/Absorption:
Structure-Function Connection:
RECTUMMajor Function:
ANUSMajor Function:
Long narrow tube with millions of folds (villi) and hairs (microvilli)Starch amylase GlucoseDisaccharides MonosaccharidesProtein trypsin PeptidesPeptides peptidase Amino acidsLipids lipase Fatty acids & glycerolBile breaks up lipid globsVilli absorb all nutrients/monomers into the bloodstream (glucose, amino acids, fatty acids…)
Long tube + villi/microvilli provide a lot of surface to absorb all the nutrients.
Wide tube w/ many bacteria living there
Bacteria break down wastes and release vitaminsWater and vitamins absorbed into bloodstreamWaste is solidified and compactedWidth of tube provides space for waste to build up and get compacted
Release feces from the body
Store digestive waste (feces)
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Digestive System: Structures
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Homework Finish worksheet if not finished in class Have a happy weekend and think about
all the food passing through your digestive system…
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Homework: Complete Steps 1-3 of the Digestion Project
Silent Do Now: (in NB w/ title & date) What proteins did you eat over the
weekend? In which organ did these proteins start to get
chemically digested? (Check Digestion Man notes for help)
In which organ did these proteins finish getting digested and get absorbed into the bloodstream?
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
Bio 9A: Monday, 11.22.10Title: Digestion Project!
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Introducing… The Digestion Project:The Creative Portrayal of the Digestive System
Project Overview Example Begin Digestion Project
Complete Steps 1-3 by class tomorrow
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
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Homework: Work on your digestion project
Silent Do Now: (in NB w/ title & date) What form will your digestion project take –
creative writing, or illustrated storybook? What ideas do you have for the project at
this point? What questions do you have?
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
Bio 9A: Tuesday, 11.23.10Title: Digestion Project (Day 2)
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Before moving on from Step 2: Get 3 colored pencils In the chart for Step 2…
Choose one color for carbs. Circle all the chemical digestion that involves carbs in that color.
Choose another color for proteins. Do the same thing.
Choose a 3rd color for lipids. Do the same thing.Next Steps: Organize your notes and story outline Begin writing the story (completed rough draft
due Tuesday of next week)
The Digestion Project: Day 2The Creative Portrayal of the Digestive System
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Homework: Completed rough draft of project due next
TUESDAY. Silent Do Now: (in NB w/ title & date)
What foods will you eat over Thanksgiving vacation?
Identify the carbs, lipids, and proteins in these foods.
Which is your favorite? 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
Bio 9A: Wednesday, 11.24.10Title: Digestion Project (Day 3)
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MOUTHStructure:
Mechanical Digestion/Absorption:
Chemical Digestion:
Structure-Function Connection:
GALLBLADDERMajor Function:
LIVERMajor Function:
STOMACHStructure:
Mechanical Digestion/Absorption:
Chemical Digestion:
Structure-Function Connection:
ESOPHAGUSStructure:
Mechanical Digestion/Absorption:
Chemical Digestion:
Structure-Function Connection:
PANCREASMajor Function:
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ANUSMajor Function:
RECTUMMajor Function:
LARGE INTESTINEStructure:
Chemical Digestion:
Mechanical Digestion/Absorption:
Structure-Function Connection:
SMALL INTESTINEStructure:
Chemical Digestion:
Mechanical Digestion/Absorption:
Structure-Function Connection: