Which one of the following choices represents a stress hormone?
a. endorphins
b. adrenaline
c. homeostatsis
d. norepinephrine

Actually, norepinephrine and adrenaline are very similar, so either can be referred to as a stress hormone, the only differences are where they occur in the body and their chemical makeup.

Well if you pick a machine to work on and that's gonna be your exercise if you don't stick to that machine your muscle strength your muscle mass rather will change because you haven't been doing it you change something in your exercise routine which changes your body's form of dealing with things for example you might become weaker or stronger depending on what kind of exercises you do in whether or not the machine you picked actually your muscles grow.

Pretty bad i would assume.