Answer:
What has thousands of ribs and two backbones?
What do you have in December that you don't have in any other month?
I always run but never walk, I sometimes sing but cannot talk, No head on which a hat to place, You always look me in the face.
If you suffer from this, you might wear a wig
Deep, deep, do they go. Spreading out as they go. Never needing any air. They are sometimes as fine as hair
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?