Answer:
Roast, boast, coast, post. What do you put in a toaster?
When it comes to me, you go on red and stops on green. What am I?
What asks but never answers?
I have hundreds of ears but cannot hear a thing. What am I?
Without me everyone would lose their head.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?