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?

ATo show the type of activities completed by skeletal muscles

BTo identify how much energy is used at low resting levels

CTo describe the amount of movement required for maximal exertion

DTo highlight that a physical activity requires a body to use energy

Verified Answer :

D. To highlight that a physical activity requires a body to use energy

The word expenditure in the excerpt is simply stating that the body uses energy during physical activity. It doesn't describe how much energy since that can be different depending on the level of physical activity. Because it doesn't include how much, options B and C are both wrong. Also, expenditure is not a type of activity, so this also eliminates A.

Answer:

D. To highlight that a physical activity requires a body to use energy

Explanation:

I took the pretest