Question

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.
"exercise." Britannica School. Encyclopaedia Britannica, Inc., 2013. Web. 21 Oct. 2013.

How is the word expenditure used in this excerpt?

Answer 1

Answer: As a noun

Explanation: The way the word expenditure as used in this concept is a noun refering to the application of energy as a result of bodily movement. It also talkes about the use of energy