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...ption in a person's diet. It is usually measured in kilocalories (kcal) or kilojoules (kJ) per day. ...from the Old French word "souppleer," which means "fill up, make up for," and it refers to the provision of something that is needed or wanted.

...s. It is a crucial concept in the fields of [[nutrition]], [[physiology]], and [[health sciences]]. The term "energy expenditure" is derived from the English words "energy" and "expenditure". "Energy" comes from the Greek word "energeia", which means a