I can boost my motivation by changing my sleep habits and taking a walk everyday after school and I will try to do something positive so that I have motivation to do my homework
Specificity is the answer. You are targeting a certain muscle in your body to improve it for an upcoming sport or activity like running a marathon or entering a Mr.Olympian body-building competition.
I am not positive, but the answer is NOT, crossfit or elite fitness, sorry, hope this helps
1. I think it is bloodstream
2. I am not sure