Answer:
Add a T and I shoot through the sky. Then add an S and I multiply. What word is it?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
Goes over all the hills and hollows. Bites hard, but never swallows.
I'm very tempting, so its said, I have a shiny coat of red, and my flesh is white beneath. I smell so sweet, taste good to eat, and help to guard your teeth.
Who lives in a house with one bedroom, 50 hallways, and ghosts lurking everywhere?
Long and slinky like a trout, never sings till it's guts come out.