1. End Show Slide 1 of 41 Copyright Pearson Prentice Hall 38–1 Food and Nutrition

2. End Show 38–1 Food and Nutrition Slide 2 of 41 Copyright Pearson Prentice Hall Food and Energy You need to eat food to obtain energy. The energy in food is measured in Calories (capital C). One Calorie is equal to 1000 calories. One calorie is the amount of heat needed to raise the temperature of one gram of water by one degree Celsius.

3. End Show 38–1 Food and Nutrition Slide 3 of 41 Copyright Pearson Prentice Hall Food and Energy Caloric needs vary for each person. An average-sized female teenager needs about 2200 Calories a day. An average-sized male teenager needs about 2800 Calories a day. If you exercise regularly, your energy needs may be higher.

4. End Show 38–1 Food and Nutrition Slide 4 of 41 Copyright Pearson Prentice Hall Nutrients Nutrients are substances in food that supply the energy and raw materials your body uses for growth, repair, and maintenance.

5. End Show 38–1 Food and Nutrition Slide 5 of 41 Copyright Pearson Prentice Hall Nutrients in Food Nutrients supply energy & building blocks Carbohydrates – sugars, energy source Proteins – amino acids, various functions Lipids – glycerol + F.A.’s, cell membranes, Secondary energy source Vitamins – coenzymes, Ex) A,B,C,D,E,K Minerals – coenzymes, Ex) Ca,K,Na,Fe,Cl Water – most important, 2L/day

6. End Show 38–1 Food and Nutrition Slide 6 of 41 Copyright Pearson Prentice Hall Balanced Diet Calorie – unit of food energy, Kcals used 200-4000 calories needed per day Food Groups – need a variety of each/day Bread/Cereal – 7-12 servings/day Fruit/Vege – 2-4 spd & 3-5 spd Dairy – 2-3 spd Meat – 2-3 spd Fats/sugar/oils - sparingly

7. End Show 38–1 Food and Nutrition Slide 7 of 41 Copyright Pearson Prentice Hall Nutrients Fat-Soluble Vitamins

8. End Show 38–1 Food and Nutrition Slide 8 of 41 Copyright Pearson Prentice Hall Nutrients Water-Soluble Vitamins

9. End Show 38–1 Food and Nutrition Slide 9 of 41 Copyright Pearson Prentice Hall Nutrients Water-Soluble Vitamins

10. End Show 38–1 Food and Nutrition Slide 10 of 41 Copyright Pearson Prentice Hall Nutrients

11. End Show 38–1 Food and Nutrition Slide 11 of 41 Copyright Pearson Prentice Hall Nutrients

12. End Show 38–1 Food and Nutrition Slide 12 of 35 Copyright Pearson Prentice Hall Nutrition and a Balanced Diet

13. End Show Slide 13 of 41 Copyright Pearson Prentice Hall 38–1 Which nutrient is found in fruits, sugars, and whole-grain breads? a.protein b.fat c.carbohydrates d.vitamins

14. End Show Slide 14 of 41 Copyright Pearson Prentice Hall 38–1 Organic molecules that help regulate body processes and often work with enzymes are a.fats. b.minerals. c.vitamins. d.amino acids.

15. End Show Slide 15 of 41 Copyright Pearson Prentice Hall 38–1 Which two vitamins can be made by the body? a.vitamins a and B b.vitamins C and D c.vitamins A and K d.vitamins D and K

16. End Show Slide 16 of 41 Copyright Pearson Prentice Hall 38–1 The most important nutrient is a.fat b.water c.vitamins d.protein.

17. End Show Slide 17 of 41 Copyright Pearson Prentice Hall 38–1 The foods that should make up the largest part of your diet are a.fats and sweets. b.meat, poultry, and fish c.milk, yogurt, and cheese. d.breads, cereals, rice, and pasta.