Answer:
There are millions of me. I am very small but when moving fast I am deadly.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
What goes in the water red, and comes out black?
Reaching stiffly for the sky, I bare my fingers when its cold. In warmth I wear an emerald glove and in between I dress in gold.
It cannot be seen, cannot be felt, Cannot be heard, cannot be smelt. It lies behind stars and under hills And empty holes it fills. It comes first and follows after, Ends life, kills laughter.
What did the piece of wood say when he saw the screwdriver and screws approaching?