Everything we eat contains calories. We need them to function and carry out everyday tasks. How do we know which foods are right to eat and which contain "empty calories"?
- Calories are in everything we eat, and we need them to survive.
- A calorie is a unit of energy, and one thousand calories are equal to a kilocalorie.
- Energy content is also measured in joules and kilojoules.
- A healthy diet needs to balance the calorific and nutritional value of food.
Calories are in everything we eat and we need them to survive. But what is a calorie?
Food is a store of chemical energy, and the calorie number reveals exactly how much energy is contained in the food we consume.
A calorie is a unit of energy. It is one thousandth of ...
Please log in to view and download the complete transcript.