Answer:
The more holes you cover the lower it goes.
There are millions of me. I am very small but when moving fast I am deadly.
Long and slinky like a trout, never sings till it's guts come out.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
It's got twists and turns, but has no curves. Twist it to fix it, turn it to ruin it. What is it?
What is so fragile that saying its name breaks it?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?