| A | B |
|---|
| Nutrients. | are substances in food that your body needs to carry out its normal functions. |
| Nutrition. | is the process of taking in food and using it for energy,growth,and good health.There are more than 40 kinds of nutrients. |
| Carbohydrates. | are sugars and starches contained in foods.Carbohydrates are your body's primary energy source. |
| Fiber. | is the tough,stringy part of raw fruits,raw vegetables,whole wheat,and other whole grains.Fiber helps carry wastes out of your body. |
| Proteins. | are nutrients that provide the building blocks your body needs for growth.Proteins promote healing and aid in the repair of tissues. |
| Fats. | are nutrients found in fatty animal tissue and plant oils.Fats carry certain vitamins in your bloodstream and help keep your skin healthy. Fats are a source of energy for your body. They also help you feel full after a meal. |
| Vitamins. | are nutrients that help regulate body functions.Your body needs only tiny amounts of these nutrients.Vitamins help your body use other nutrients and some help fight disease. |
| Minerals.Figure 4,1 | are elements in foods that help your body work properly.Like vitamins,minerals are needed only in small amounts.Figure 4.1 provides additional information on vitamins and minerals important to teens. |
| Water.Figure 4.2 | did you know that about 45 to 75 percent of the body is water? Water is essential to life.The amount of water you need to drink dependson how much water you are getting from food,and other fluids. |
| MyPyramid food guidance system.Figure 4.3 | a system designed to help Americans make healthful food choices,also is to remind you to make regular physical activity part of your life style. |
| A calorie. | is a unit of heat measures the energy available in foods.The amount of calories your body needs is based on your age,gender,and how physically active you are. |
| Saturate fats. | are fats found in many animal products such as butter,meat,and cheese,which may increase your body,s level of cholesterol. |
| Cholesterol. | is a waxy chemical our bodies produce and need in small amounts. |
| Trans fats. | start off as oils and are made solid through processing. |
| Sodium. | Salt contains sodium,a mineral that helps control the amount of fluid in your body.You can find out how much sodium is in a given amount of food by reading labels. |
| Limit added Sugar. | foods with added sugar often have little nutritional value.Instead reach for a fruit. |
