ive heard of the particle tool as in hair

1 what exactly do i do to add hair to a human model
2 will it behave like hair? when i move the model will it stay in the same position?

Read this post by Ripsting.

https://blenderartists.org/forum/viewtopic.php?t=15116

As far as will it move etc, not unless you animate it and that in itself will be a good nightmare. You’ll notice hardly any cartoons have realisticly animated hair, they just have ‘flops’ of hair that move and simple stuff like that, or hair that’s grouped together in clumps.

Edit: Also found a simpler way for hair I bookmarked awhile ago.

http://www.prodigyweb.net.mx/nivel9/hair/realHair.html