She should say to him don't worry theses people are helping you get better and they are going to offer you a lot of help.<span />
Immediate risks are bleeding and infection. The first steps to take would be to call a teacher or staff member, call 911, and try to stop the blood flow.
I would say LUNGS as when you are smoking marijuana you are usually inhaling it into the lungs
Studies between the effects of marijuana on the brain are still in progress but I don’t think you will get brain cancer from smoking so I would say the lungs on this one