Answer:
I am the only word that looks the same when spelled upside down.
I store fire-breathing animals.
I can't go left, I can't go right. I am forever stuck in a building over three stories high. What am I?
Marking mortal privation when firmly in place. An enduring summation inscribed in my face.
I have six faces but not even one body connected, 21 eyes in total but cannot see. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.