| A | B |
| Carbohydrate | Supply energy for body cells |
| Protein | Bodies main structural components |
| Fats | Insulate body |
| Vitamins | Regulate chemical reactions |
| Minerals | Regulate body functions |
| Water | Digestion and absorption of food |
| Soluble fiber | Lowers blood cholesterol levels |
| Insoluble fiber | Does not dissolve in water |
| Complex carbohydrate | Plant foods |
| Simple carbohydrates | Glucose |
| Anitoxidants | Preserve healthy cells in the body |
| Phytochemical | Helps prevent chronic disease |
| Free radical | Damages cell membranes |
| Scurvy | Lack of vitamin C |
| Dietary reference intakes | Designed to prevent nutritional deficiencies |
| Vegan | Does not eat animal products |
| Lacto-vegetarian | Vegetarian who includes milk and cheese products |
| pesco-vegeatarian | Vegetarian who includes eggs, dairy products, and small amounts of poultry and seafood |
| Lacto-ovo-vegetarian | Vegetarian who eats eggs and milk products but no meat |
| Functional foods | Food that provide help benefits beyond basic nutrition |