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Health-Chapter 10
The Importance of Nutrition
| Question | Answer |
|---|---|
| nutrition | the process by which your body takes in and uses food |
| nutrients | substances in food that your body needs to grow, to repair itself, and to suppl you with energy |
| calorie | a unit of heat used to measure the energy your body uses and the energy it receives from food |
| hunger | the natural physical drive to eat, prompted by the body's need for food |
| appetite | the psychological desire for food |
| carbohydrates | starches and sugars found in foods, which provide your body's main source of energy |
| fiber | a tough complex carbohydrate that the body cannot digest |
| proteins | nutrients the body uses to build and maintain its cells and tissues |
| cholesterol | waxy, fatlike substance |
| vitamins | compounds found in food that help regulate many body processes |
| minerals | element found in food that are used by the body |
| osteoporosis | a condition in which the bones become fragile and break easily |
| Dietary Guidelines for Americans | a set of recommendations about smart eating and physical activity for all Americans |
| MyPyramid | an interactive guide to healthful eating and active living |
| nutrient-dense | foods that have a high ratio of nutrients to calories |
| food additives | substances added to a food to produce a desired effect |
| foodborne illness | food poisoning |
| pasteurization | treating a substance with heat to kill or slow the growth of pathogens |
| cross-contamination | the spreading of pathogens from one food to another |
| food allergy | a condition in which the body's immune system reacts to substances in some foods |
| food intolerance | a negative reaction to food that doesn't involve the immune system |