| A | B |
|---|
| carbohydrates | the main source of energy for your body |
| proteins | nutrients that are essential for growth and repair of body cells |
| starch | the complex carbohydrate stored in potatoes, rice, wheat and other plants |
| fiber | the tough stringy part of raw fruits,raw vegetables, wheat and other grains that you cannot digest |
| muscle endurance | how well a muscle group can perform over a given time without becoming overly tired |
| muscle strength | the most work your muscles can do at any given time |
| target pulse rate | the level at which your heart and lungs receive the most benefit from a workout |
| heart and lung endurance | how well your heart and lungs get oxygen to the body during exercise and how quickly they return to normal |
| flexibility | the ability to move your body joints in certain ways |
| nutrient | the substances in food that your body needs |
