3. What Is Nutrition? -The study of how your body uses the food that you eat.

4. What is a Nutrient A nutrient is a chemical substance in food that helps maintain the body. Some provide energy. All help build cells and tissues, regulate bodily processes such as breathing. No single food supplies all the nutrients the body needs to function.

5.  Vitamins  Minerals  Water  Protein  Carbohydrates Sugars Starches Fiber  Fats

6. Nutrients that supply Calories: Proteins Carbohydrates Fats

7. Definition of a Calorie: A unit of measure for energy in food

8. Calories per gram: Protein 1 Gram = 4 calories Carbohydrates 1 Gram = 4 calories Fat 1 Gram = 9 calories

9. Factors that affect nutrient needs: 1. Age 2. Gender 3. Activity Level 4. Climate 5. Health 6. State of nutrition

10. Carbohydrates Types: SimpleComplex a.Sugarsa. Starches b. Fiber Functions: Supply Energy Food Sources; Grains (Bread, Rice, Pasta) Fruits and Vegetables

11. Fiber – Carbohydrates con’t Types: CrudeDietary a.Residuea. Cellulose b. Pectin Functions: Aids in digestion Food Sources; Grains (Bread, Rice, Pasta) Fruits and Vegetables

12. Vitamins Fat-SolubleWater-Soluble Vitamin AVitamin C Vitamin DB-Complex Vitamins Vitamin E Vitamin K Functions: Regulate Body Processess Food Sources; Fruits and Vegetables – Grains

13. Minerals Macro-mineralsTrace Minerals CalciumA. Iron B. Zinc PhosphorusC. Fluorine D. Iodine E. Copper Functions: Regulate Body Processes Food Sources; Fruits and Vegetables – Grains

14. Minerals – con’t Electrolites Sodium Chloride Potassium Functions: Regulate fluid balance Food Sources; Fruits and Vegetables – Grains

15. Protein Types: CompleteIncomplete Contains all 9 essentialMissing one or more amino acids essential amino acids Functions: Build & Repair Body Tissues Food Sources: Meat and Dairy

16. Fats Fatty Acids Cholesterol A.SaturatedA. HDL B.PolyunsaturatedB. LDL C.Monounsaturated Functions: Reserve Energy Source Food Sources: Butter, oils, fat in foods

17. Water Most Important NUTRIENT Functions: Keep body hydrated, Carry vitamins and minerals, Regulate body temperature