The Human Organism and the importance of Nutrition

THE HUMAN ORGANISM AND THE IMPORTANCE OF NUTRITIONCh 6

Black = NotesRed = Just read/discuss or write it if

you need it

WHAT DO YOU KNOW ABOUT NUTRITION?

FOOD AND ITS USE BY THE BODY

FOLLOW ALONG IN WORKBOOK PG. 89

FOOD

any substance ingested that sustains life

Insect Market in Indonesia

SYSTEMS THAT WORK WITH NUTRITION

Digestive system= breakdown food nutrients Respiratory system = bring in oxygen to burn

nutrients Cardiovascular system = carries nutrients and

oxygen to cells Urinary system = discard wastes

FOOD IS BROKEN INTO CLASSES OF NUTRIENTS

Nutrients are essential dietary factors used by the body to meet important needs.

There are 6 main groups.

PROTEIN FUNCTION

growth & repair of tissue (mitosis)provide energy

PROTEIN SOURCESmeats, dairy, eggs, fish, nuts, legumes

(chick peas), tofu, grains

DETECT PROTEINS LAB #44Dwayne Johnson, “The

Rock”, sidelines in cat rescue.

He needs to learn how to find out which drink would give him the most proteins to help his muscles.

CARBOHYDRATE FUNCTION

Main energy source

CARBOHYDRATE SOURCESPolysaccharides (Starch)

(longer to digest) -in grains, vegetables, legumes

Monosaccharides (Sugars)(faster to digest) - in pop, candy, sweets,

fruit

EXPLAIN THE TREND AND SUGGEST WHY IT IS HAPPENING.

0

20

40

60

80

100

CARBOHYDRATES

SIMPLE

COMPLEX

1905 1955 2005

PERCENT

65%

35%

50%

50%

45%

55%

DETECT CARBS AND STARCH LAB 41 & 42

Drew Carey is on a low carbohydrate diet now that he has taken over the “Price is Right”.

He needs to learn how to detect both starches and sugars in his foods so that he can monitor how many carbohydrates he is consuming in a day.

before after

FAT FUNCTIONenergy storageprotect organs and insulate bodyto make hormones and cell membranes

FAT SOURCES Dairy products (milks, butter), veg. oils, fatty

meats/fish, deep fried food, eggs, nuts

DETECT FAT LAB #43 Jennifer Hudson is on a

low fat diet since winning “American Idol”

She needs to learn how to detect fats in her foods so that she can monitor how much fat she is consuming in a day.

LIST WAYS THAT YOU CAN REDUCE YOUR FAT CONSUMPTION

Low fat cooking methodsMinimize processed foodsUse better cuts of meatsUse low fat alternativesDecrease use of condimentsWhite rather than red meat

LOW FAT MOVIE

WATER FUNCTIONSTransports nutrients and wasteRegulates body temperatureEssential for chemical reactions

WATER SOURCES

Fruits and vegetables JuiceSoupsMilk and other drinks

VITAMIN FUNCTIONSHelp with chemical reactionsHelp with E productionHelp fight off infectionsRepair damaged tissue

SOURCES

Fruits, veggies, dairy, whole grains, eggs, liver

MINERAL FUNCTIONS

Building tissues (bones and teeth)Maintaining fluid balanceHelping muscles contractTransport Oxygen (O2) in the blood

MINERAL SOURCES

Dairy products, legumes, seafood and fish, fruits, vegetables

e.g. Calcium, Potassium, Sodium, Phosphorus, Iron

DETECT CALCIUM AND VITAMIN C LAB #45 & 47

Ellen DeGeneres just landed a contract promoting vitamin drinks for big money.

She needs to learn how to detect calcium and vitamin C in her drinks so that she knows which products to promote.

THE BODY’S NEEDS

teen girls =7 200- 9 600 kJ of E per day (1800-2400 calories)teen boys =8 800- 12 800 kJ of E per day (2200-3200 calories)

USE PG. 164 OF THE TEXTBOOK TO HELP FILL IN PG. 90 (AVERAGE ENERGY IN NUTRIENTS)

ALL-BRAN ANYONE?

Fibre = from complex carbohydrates, fruits and vegetables

can’t digest it cleans out intestines (this helps to prevent

cancer)

HOW CAN YOU GET MORE FIBRE INTO YOUR DIET?

white flour whole wheat flour e.g. Pasta, bread

Don’t peel vegetables (most fibre is in the skins e.g. Potatoes)

breakfast cereals less refined kinds ( Froot loops (notice the spelling of fruit = no fruit at all) to muesli or granolas)

HOW CAN YOU MAKE SURE YOU ARE EATING PROPERLY?

NUTRITION LABEL

Gives nutritional information contained in one serving of a product

in grams and % RDI (Recommended Daily Intake)

NUTRITION LABEL LOOKS LIKE THIS

Size of recommended portion

Number of servings per package

Calories per serving

Amount of nutrients by weight and % of RDI

% of RDI for vitamins

FOOD LABEL ACTIVITY

Go to the food package stations and collect information from the food labels onto your chart.

DO NOT MOVE THE FOOD PACKAGESWe will discuss the results on the board.

CANADA’S FOOD GUIDE

If Canadians can be taught to eat healthy foods and exercise mildly, it will reduce the strain on the Socialist Health Care System that is in place (Medicare)

USE THE CFG OR TEXTBOOK PG. 166 TO HELP FILL IN WORKBOOK: PG. 90

HANDOUT ON FOOD DIARY

HOMEWORK: WORKBOOK PG. 91 & 92PG. 424 OF TEXT WILL HELP

DISCUSSION: TEXTBOOK PG. 194, QUESTIONS 1-3

TEXTBOOK: READ PG. 198ANSWER THE QUESTIONS

USING THE NUTRITION WORDS ONLY ON PG. 197, CREATE A CONCEPT MAP

CRASH COURSE YOU ARE WHAT YOU EAT

IF TIME:

Movies: Super-Size Me Weight of the Nation- DVD in office

Forks over Knives- mp4 in movie file