| A | B | 
| nutrient | substance in food that helps you grow, supplies energy, and keeps you healthy | 
| diet | what you regularly eat and drink | 
| energy | provided by food for physical and mental activities | 
| hunger | physical need to eat | 
| appetite | desire to eat even when not hungry | 
| calorie | unit of heat; measures energy in food | 
| fat | more food than needed is stored as this | 
| variety | needed to get all your nutrients | 
| digestion | process of breaking down food so body can use it | 
| carbohydrates | provide energy and fiber | 
| fats | provide energy, aid normal growth, help skin stay healthy | 
| proteins | build, repair, and maintain body tissues | 
| nutrients | released from food during digestion | 
| vitamins | help regulate the work of the body's systems; needed in small quantities | 
| complete protein | eggs, poultry, cheese | 
| incomplete protein | dry beans, nuts, grains | 
| amino acids | chains/building blocks of protein | 
| carbohydrate food sources | apples & potatoes | 
| fiber | helps the body get rid of waste | 
| essential amino acids | cannot be manufactured by your body | 
| whole grain | includes outer layer, bran & germ | 
| saturated fat | found in animal products | 
| unsaturated fat | comes from plants | 
| Vitamin A | helps eyes adjust to dark | 
| iron | women need more; from meats; carries oxygen to your cells | 
| Vitamin C | helps heal wounds & fight infections; from melons & oranges | 
| B Vitamins | thiamine, niacin, riboflavin; healthy nervous system | 
| Calcium | reduces risk of osteoporosis; strong bones & teeth; dairy | 
| Water | makes up 2/3 of your body | 
| trace elements | minerals needed in small amounts | 
| enriched | nutrients lost in processing put back | 
| fortified | nutrients added |