What makes you apprehensive about public speaking?

When I think about speaking in front of an audience I immidiately panic and get real nervous. When I speak in front of an audience I tend to forget what I am speaking about. I get nerveous because all the attention is on me and I dont want to look bad in front of people. I beging to question what each person is thinking about me. The thought of making a fool out of my self scares me. I don't have any public speaking experience, but I have done some presentations in some of my courses that I have taken at SJSU. Remembering high school, I do not recall giving presentations in any of my class, and maybe that is why my fear of public speaking has not gone away.