Answer:
I am a bow that can never be tied or broken but can disappear. What am I?
I run smoother than any rhyme I love to fall but cannot climb.
I save lives on the ground and in the air. What am I?
I belong to you but others use me more often than you do
What five-letter word becomes shorter when you add two letters to it?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.