Answer:
I help engines spin and pants stay up. What am I?
score in end zones.
I twist and turn and leaves a loop
Goes over all the hills and hollows, Bites hard, but never swallows.
I am a ship that can be made to ride the greatest waves. I am not built by tool, but built by hearts and minds. What am I?
A little house full of meat, no door to go in and eat.