Calories in nutritional content relate to the energy individuals obtain through food and drink, as well as the energy they expend during physical activity.
The amount of energy necessary to raise the temperature of 1 gram (g) of water by 1 degree Celsius (°C) is measured in calories.
It is a unit of energy measured in a nutritional food product.
The relationship between the release of energy as heat and calories originate from the food product(s) we consume.
When humans consume food products, digestion occurs and releases energy as heat. Calories measures this heat content when it is being released. As such, the more food that is being consumed, the more release of energy as heat that occurs, and therefore more calories being generated.
Therefore, from the above explanation, we can see a direct relationship between the release of energy as heat and calories.
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