Answer:
I ask no questions but receive a lot of answers
I am an activity dogs are very good at when a ball is thrown.
What force and strength cannot get through I with my unique teeth can do.
What has a head and a tail but no body?
I am a protector. I sit on a bridge. One person can see right through me, while others wonder what I hide. What am I?
What did the piece of wood say when he saw the screwdriver and screws approaching?