Your body needs food to
live. Food is your body's fuel. Food is also what your
body uses to make body parts like muscle and bones. Your body
can store fuel for later use, just like you can store fuel in your car's
gas tank to use later when your car goes on a trip. Your body
turns extra fuel into fat and stores the fat in a tank located all
over your body.
The amount of fuel in a food is called "calories", sort of like octane in gas. You can look on a food's label to see how many calories are in the food. 3500 extra calories eaten will cause one pound weight gain. Exercise burns up calories. For example, walking one mile burns up 100 calories. So, if you eat 500 calories less each day, or you walk 5 miles a day, you will lose one pound a week.
So... to balance your weight you can either decrease the fuel (food) you take in, or you can increase the amount of fuel you burn up (by exercise). Exercise, even simple things like walking... dancing... or shooting basketball, will burn up a lot more fuel than just sitting and watching TV. Exercise can be fun too...
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