art and the body/identity

1. why is feminism and body art so closely intertwined? is all art and the body a reaction against the male gaze?

2. is performance a subcategory of art and the body?

3. what is the difference between art and identity and narrative?

4. What about video art makes it conducive for art and identity? why are so many of these works video works?

5. is art and the body different from deformation because of its affiliation and tendency towards the pornagraphic?