The correct answer among the choices given is option A. Erythropoietin is the performance-enhancing drugs has the side effect of thickening of the blood. It is present in our body at certain levels because it promotes the production of red blood cells. It i used to treat anemia resulting from kidney failure or cancer treatment.
I would think it would depend on the situation. Basic first aid may be all that is required for certain wounds or accidents. In other circumstances it should be administered until a trained professional can take over.
You should tell her and if she rejects you which I hope she doesn’t then ask her to still be friends. Good luck
Now that I think about it, it would be A and B because you need your bones for support and they also protect your organs. As for D it's the other way around your muscles help your bones move.