A unit of heat.
A calorie is an energy source that your body needs to live. Without calories our brain, heart, and lungs would not work. A healthy diet is very important with calories because when you don't excersie the calories may become unwanted fat. You want to burn the calories with a good workout to live a healthy life!
calories are very important and dietary is also important because if you grow up and you dont eat right and dont exercise the faster chance you could have a heartattack.
calories are very important because they give your body strength.
A quantity of food capable of producing such and amount of energy.
In my first comment I defined what a calorie is. Here is my answer to the 2nd part of the question: you need to burn off calories to stay in fit and you need the extra exercise ;)
Two units of heat energy.
Calorie is the energy needed to increase the tempature,Fiber is the importance of dietary.
a calorie is in your food that you use for fuel
A calorie is:
a quantity of food capable of producing such an amount of energy.
You should limit the number of calories you consume everyday and eat a health, well-balanced diet.
an calorie is a source of food energy to much of it is bad
A calerie is mostly bad but it is a source of energy that keeps you up and running
something in your body that you try to burn after you eat