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Unit 3 Human Biology and Health
Chapter 15 Food and Digestion

                   
Last Updated     3/1/2011     10/13/2009     10/5/2009     9/22/2009     8/17/2009     11/26/2008     11/24/2007      11/11/2006     9/23/2007      8/31/2007     8/13/2006      6/6/2006      5/30/2006      5/29/2006      5/15/2006      12/27/2005      11/20/2005      10/15/2005      9/16/2005     

Created  9/3/2005

 

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Previous: Bones, Muscles, and Skin       Next: Circulation

Teacher Resources     Student Extra Credit

 

15-1 Food and Energy
Why You Need Food
Carbohydrates
Fats
Proteins
Vitamins and Minerals
Water
The Food Guide Pyramid
Food Labels

15-2 Digestive Process Begins
Functions of the Digestive System
The Mouth
The Esophagus
The Stomach

15-3 Final Digestion & Absorption
The Small Intestine
The Large Intestine

 

 

Day 1
Topic 15-1 Food and Energy
Objectives
Identify the nutrients used by the body.
Define nutrients.
Name two kinds of carbohydrates.
List five ways the body uses proteins.
Explain why vitamins are important.
Explain why minerals are so important.
Describe how to use the Food Guide Pyramid to plan a balanced diet.
State Goals
12.A.1a  Identify and describe the component parts of living things and their major functions.
12.A.1b  Categorize living organisms using a variety of observable features.
Classwork-Homework
Chalkboard.bmp (15654 bytes)
On the Board
Nutrient:
chemical substance that is needed to carry out life processes
Carbohydrate:
nutrient that supplies energy
Protein:
nutrient needed to build and repair cells
Fats: energy storage units
Molecule: smallest part of a substance that has all the properties of that substance
Amino Acid: building block of proteins
Enzyme: protein that controls chemical activities
Vitamin: nutrient made by living organisms
Deficiency Disease: disease caused by the lack of a certain nutrient
Mineral: nutrient needed by the body to develop properly
Malnutrition: poor nutrition caused by an unbalanced diet 

Food Guide Pyramid  2:55
Nutrition By Natalie: The New Food Guide Pyramid  10:44
  Pencil.gif (1165 bytes) Food Choices the Pyramid Way
Tips and Foods to Boost Your Energy  3:27

 Computer.gif (1114 bytes) Human Anatomy OnLine

readme.gif (1442 bytes) Prentice Hall 502-514

Pencil.gif (1165 bytes) Science Explorer pages 97-101  # 1-37

TEC
Resources
Pencil.gif (1165 bytes) Height Weight Chart and Recommended Intake plus Questions
Pencil.gif (1165 bytes) Energy In Energy Out
Pencil.gif (1165 bytes) My Pyramid Worksheet
Note02.gif (247 bytes) Calories In Sports

 

Day 2
Topic How do living things get energy?  
Objectives
Explain how organisms "burn" food to get energy.
State Goals
12.A.1a  Identify and describe the component parts of living things and their major functions.
12.A.1b  Categorize living organisms using a variety of observable features.
Classwork-Homework
Chalkboard.bmp (15654 bytes)
On the Board
Calorie:
unit used to measure energy from foods
Oxidation: slow burning of foods in your body

What Are Nutrients  3:14

Note02.gif (247 bytes) Nutrients Information

Note02.gif (247 bytes) You Are What You Eat  Nutrients

Pencil.gif (1165 bytes) Six Nutrients Worksheet

Pencil.gif (1165 bytes) Menu For an Athlete

TEC
Resources
Magnify0b.gif (341 bytes) Cereal Nutrition Facts Investigation
Magnify0b.gif (341 bytes) Diet Analysis Assignment

 

star.gif (2279 bytes) Classifying Foods  Students read a story about eating different types of foods
and then complete a chart classifying foods by their food group. The story includes
bolded words for the students to find the food more easily. It also includes a cause
and effect question and an inferring question.

star.gif (2279 bytes) Classifying Foods  Place foods in their correct food group.

 

Day 3
Topic 15-1 Food and energy
Objectives
Determine daily calorie intake.
State Goals
12.A.1a  Identify and describe the component parts of living things and their major functions.
12.A.1b  Categorize living organisms using a variety of observable features.
Classwork-Homework
Daily Calorie Requirements: How the Body Works :46

Note02.gif (247 bytes)What Are My Daily Calorie Needs? 
Complete download 4 pages

Note02.gif (247 bytes) Classification of activities

Note02.gif (247 bytes) Calories in Sports

Pencil.gif (1165 bytes) Student Food Diary

TEC
Resources
Pencil.gif (1165 bytes)Adolescent Nutrition Scenarios
Note02.gif (247 bytes) Recommended Dietary Allowances 11-18
Note02.gif (247 bytes) Food Pyramid
Pencil.gif (1165 bytes) Daily Food Diary of an Elderly Person

 

Day 4
Topic 15-2 The Digestive Process Begins
Objectives
Identify the organs in the digestive system.
State Goals
12.A.1a  Identify and describe the component parts of living things and their major functions.
12.A.1b  Categorize living organisms using a variety of observable features.
Classwork-Homework
Chalkboard.bmp (15654 bytes)
On the Board
Digestion:
process by which foods are changed into forms the body can use
Saliva:
liquid in the mouth that helps in digestion
Pharnyx:
tube connecting the mouth to the esophagus; throat
Esophagus:
tube that connects the mouth to the stomach
Epiglottis:
flap of tissue that prevents food from entering the windpipe
Peristalsis:
wavelike movement that moves food through the digestive tract 

Digestive Process  :46

readme.gif (802 bytes) Prentice Hall 516-521

Pencil.gif (1165 bytes) Science Explorer pages 109-111  # 1-14

TEC
Resources

 

Day 5
Topic 15-2 Digestion
Objectives
Compare chemical and mechanical digestion.
Explain the function of enzymes.
Describe what happens to food once it enters the stomach.
State Goals
12.A.1a  Identify and describe the component parts of living things and their major functions.
12.A.1b  Categorize living organisms using a variety of observable features.
Classwork-Homework
Chalkboard.bmp (15654 bytes)
On the Board
Chemical Digestion:
large food molecules are broken down into smaller food molecules
Mechanical Digestion:
large pieces of food are crushed into smaller pieces molecules
Enamel:
hard outer covering of the tooth
Dentin: spongy substance below the enamel of the tooth
Enzyme:
protein that controls chemical reactions in the body
Saliva: liquid in the mouth that helps in digestion
Gastric Juice: produced in the stomach that contains mucus, pepsin, and HCl acid
Pepsin:
enzyme that digests proteins
Chyme:
thick liquid form of food

 Chalkboard.bmp (15654 bytes) On the Board
William Beaumont  Studied the workings of the stomach through a 2 1/2" hole.

Anatomy: Digestive System  6:43
Humans Are Omnivores  3:46

Pencil.gif (434 bytes) Organs of the Digestive System Page 11-12

TEC
Resources
Note02.gif (247 bytes) Digestion Notes
Pencil.gif (1165 bytes) Digestion Questions

 

Day 6
Topic 15-3 Final Digestion and Absorption
Objectives
Describes what happens to food in the small intestine.
Describe what happens to food after it leaves the small intestine.
State Goals
12.A.1a  Identify and describe the component parts of living things and their major functions.
12.A.1b  Categorize living organisms using a variety of observable features.
Classwork-Homework
Chalkboard.bmp (15654 bytes)
On the Board
Liapse:
enzyme that digests fats and oils
Bile: green liquid that breaks down fats and oils
Emulsification: process of breaking down large droplets of fat into small droplets of fat
Absorption: movement of food from the digestive system to the blood
Colon: large intestine
Villi: fingerlike projection on the lining of the small intestine

Digestive System Animation  :37

Lecture.gif (2227 bytes) Small Intestine, Pancreas, Liver, Absorption

readme.gif (802 bytes) Prentice Hall 524-529

Pencil.gif (1165 bytes)Science Explorer pages 119-120  # 1-12

TEC
Resources

 

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Teacher Resources

 Pencil.gif (1165 bytes) Assignments    crayon0a.gif (328 bytes) Art Activity    Magnify0b.gif - 341 BytesLab      BookOpen.bmp (16686 bytes) Lesson Plan      braininjar.gif (1615 bytes)_Tests     IconMap.bmp (3402 bytes) Maps     Note02.gif (247 bytes) Resources     Earth.gif (6650 bytes) Web Sites    
SchoolBus5.bmp (6174 bytes) Field Trips      Computer.gif (1114 bytes) Computer     bookpages.gif (1592 bytes) Book    Dice.bmp (3974 bytes) Games    star.gif (2279 bytes)Extra Credit     filmstrip.gif (6075 bytes)PPT  Video

BODY SYSTEMS
 Pencil.gif - 434 Bytes Human Body Quest  Group activity to create a presentation about one of the body's systems.  10 different systems.  Presentation planner could be an individual asignment.
 Earth.gif (6650 bytes)  Inside the Human Body: Science Fact File   Investigate the systems of the human body
DIET
 Magnify0b.gif (341 bytes) Diet Analaysis Assignment
FOOD
Pencil.gif (1165 bytes) Snack Smart 13 pages  Identify healthy snacks and engage in regular physical activity.
Earth.gif (6650 bytes) Food Label Web Quest
NUTRIENTS
Pencil.gif (1165 bytes) Food Nutrients
VITAMINS
 
 



Student Extra Credit

 star.gif - 2279 Bytes Extra Credit star.gif - 2279 Bytes

star.gif (2279 bytes) The Bacteria behind Ulcers One half to one third of the world's population harbors Helicobacter pylori, "slow" bacteria that infect the stomach and can cause ulcers and cancer there. Download questions by clicking here.
star.gif (2279 bytes)Super Size Me!  A worksheet to accompany "Super Size Me", the movie which  explores the connection between fast-food, lack of exercise, inadequate nutrition, and physical education, and the obesity epidemic currently plaguing our nation.  Found at the Biology Zone.
star.gif - 2279 Bytes Toilet Paper
 
 
 
 


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