Riddle Riddle On The Wall

I have keys but no locks. I have space but no room. You can enter, but you can't go outside. What am I?

I have a neck, but no head. I have a body, but no legs. I hold knowledge, but speak no words. What am I?

The more you take, the more you leave behind.

I am always hungry, I must always be fed. The finger I touch will soon turn red. What am I?

I am taken from a mine, and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

I am full of holes, yet I can hold water. What am I?

I speak without a mouth and hear without ears. I have no body, but I come alive with wind. What am I?

I have pages, but I'm not a book. I have a spine, but I can't look. I have leaves, but I'm not a tree. I hold knowledge, but silently.