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The Human Organism and the importance of Nutrition

The Human Organism and the importance of Nutrition. Ch 6. Black = Notes Red = 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.

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The Human Organism and the importance of Nutrition

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  1. The Human Organism and the importance of Nutrition Ch 6

  2. Black = Notes • Red = Just read/discuss or write it if you need it

  3. WHAT DO YOU KNOW ABOUT NUTRITION?

  4. Food and its use by the body

  5. Follow along in workbook pg. 89

  6. Food • any substance ingested that sustains life

  7. Insect Market in Indonesia

  8. 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

  9. 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.

  10. Protein function • growth & repair of tissue (mitosis) • provide energy

  11. Protein Sources • meats, dairy, eggs, fish, nuts, legumes (chick peas), tofu, grains

  12. Detect proteins lab #44 • Dwayne 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.

  13. Carbohydrate function • Main energy source

  14. Carbohydrate sources • Polysaccharides (Starch) • (longer to digest) -in grains, vegetables, legumes • Monosaccharides (Sugars) • (faster to digest) - in pop, candy, sweets, fruit

  15. C 100 A 35% R 50% 80 SIMPLE 55% P B E O R H 60 65% C Y E D 50% 40 COMPLEX 45% N R T A 20 T E S 0 1905 1955 2005 Explain the trend and suggest why it is happening.

  16. 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

  17. Fat function • energy storage • protect organs and insulate body • to make hormones and cell membranes

  18. Fat Sources • Dairy products (milks, butter), veg. oils, fatty meats/fish, deep fried food, eggs, nuts

  19. 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.

  20. List Ways that you can Reduce your Fat Consumption • Low fat cooking methods • Minimize processed foods • Use better cuts of meats • Use low fat alternatives • Decrease use of condiments • White rather than red meat

  21. Low fat movie

  22. Water functions • Transports nutrients and waste • Regulates body temperature • Essential for chemical reactions

  23. Water sources • Fruits and vegetables • Juice • Soups • Milk and other drinks

  24. Vitamin functions • Help with chemical reactions • Help with E production • Help fight off infections • Repair damaged tissue

  25. Sources • Fruits, veggies, dairy, whole grains, eggs, liver

  26. Mineral functions • Building tissues (bones and teeth) • Maintaining fluid balance • Helping muscles contract • Transport Oxygen (O2) in the blood

  27. Mineral sources • Dairy products, legumes, seafood and fish, fruits, vegetables • e.g. Calcium, Potassium, Sodium, Phosphorus, Iron

  28. 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.

  29. The Body’s Needs

  30. 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)

  31. Use pg. 164 of the textbook to help fill in pg. 90 (average energy in nutrients)

  32. All-Bran anyone? • Fibre = from complex carbohydrates, fruits and vegetables • can’t digest it • cleans out intestines (this helps to prevent cancer)

  33. 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)

  34. How can you make sure you are eating properly?

  35. Nutrition Label • Gives nutritional information contained in one serving of a product • in grams and % RDI (Recommended Daily Intake)

  36. 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

  37. Food Label Activity • Go to the food package stations and collect information from the food labels onto your chart. • DO NOT MOVE THE FOOD PACKAGES • We will discuss the results on the board.

  38. 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)

  39. Use the CFG or textbook pg. 166 to help fill in Workbook: pg. 90

  40. Handout on food diary

  41. Homework: workbook pg. 91 & 92pg. 424 of text will help

  42. Discussion: textbook Pg. 194, questions 1-3

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