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 spectrum used in this excerpt?

In summing we use which law of motion

What is the longest you should ice the injured area at one time? a. 10-20 minutes b. 30-60 minutes c. 1-2 hours d. as long as you want

Summarize the neurobiology of addiction section in 3-4 sentences. summarize the evolutionary history of cravings in 3-4 sentences. then explain how the "science of getting hooked" article, and these issues, relate to your own life. then connect this discussion to recreational marijuana. new york state is getting very close to legalizing recreational marijuana, which is why they carried out the above study on potential impact of regulation. what are the potential health impacts cited in the above study if marijuana were to be regulated in ny? how do you think addiction would be impacted by regulated marijuana? considering what you now know about the brain, body and addiction, what are your thoughts on legalization of recreational marijuana in new york state?