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Physical activity is an inclusive term that refers to any expenditure of energy brought about by bodily movement via the skeletal muscles; as such, it includes the complete spectrum of activity from very low resting levels to maximal exertion. Exercise is a component of physical activity. The distinguishing characteristic of exercise is that it is a structured activity specifically planned to develop and maintain physical fitness.

How is the word expenditure used in this excerpt?

User BarrieK
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expenditure is used to describe the burning off of energy in the form of physical activity and exercuse
User Claytonjwong
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