Answer:
It covers you, you lose it every day and you'd die without it.
A job that involves sitting in a highchair, wearing a black gown and smacking things with a mallet
Hearing something unexpected or touching a live wire can have this effect.
You roll it or you buy it, People say you shouldn't try it, Because you may get a stroke, From inhaling all that smoke.
A big shiny black car nobody wants to be a passenger in.
People take me on walks and I run and have fun. What am I?