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| Question | Answer |
| physical fitness | the ability to do everyday tasks without becoming short of breath, sore, or tired. |
| muscular strength | the amount of force muscles apply when they are used |
| muscular endurance | the ability to use a group of muscles over and over without getting tired easily |
| Cardiorespiratory endurance | the ability of your heart and lungs to work efficiently during physical activity |
| flexibility | the ability to use joints easily |
| body composition | compares the weight of fat in your body to the weight of your bones, muscles, and organs |
| exercise | any activity that maintains or improves your physical fitness |
| target heart rate zone | 60 to 80 percent of your maximum heart rate |
| maximum heart rate (MHR) | the largest number of times your heart can beat while exercising |
| nutrient | the substances in food that your body needs to function properly |
| digestion | the process of breaking down food into a form your body can use |
| diet | a pattern of eating that includes what a person eats, how much a person eats, and how often a person eats |
| calorie | the amount of energy your body gets from a food is measured in units |
| metabolism | the process of converting the energy in food into energy your body can use |
| carbohydrate | a chemical composed of one or more simple sugars |
| fats | energy storage nutrients that help the body store some vitamins |
| proteins | nutrients that build and repair tissues and cells |
| vitamins | organic compounds that control several body functions |
| minerals | elements that are essential for good health |
| Dietary Guidelines for Americans | a set of suggestions that will help you develop healthy eating habits |
| Food Guide Pyramid | a tool that shows you what kinds of foods to eat and how much of each food you should eat every day |
| Nutrition Facts Label | a label found on the outside packages of food that states how many servings are in the container, how many Calories are in each serving, and the amount of nutrients in each serving |
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