I'd say Leslie because she seems to be the laziest out of all of them.
Weight loss pills, starving, puking food up, over exertion..
Heart. The reason behind this is harmful gases can cause many problems with the human body. It can effect the skin. Harming the skins natural barriers. It can harm the lungs. And your eyes are very soft. Your eyes cannot take that
Bones are to support our body and to protect internal organs.