Answer:
I am found on Mercury Venus Earth and Mars but not on Jupiter or Saturn. What am I?
I have two bodies joined together as one. When standing still, I run and run. What am I?
Although a human shape I wear, mother I never had. By every miss I'm valued much, still my cruel fate is such by boys I am often despised. What am I?
There is one in a minute two in a moment and none in a thousand years. What is it?
I take off my clothes when you put on your clothes. I put on my clothes when you take off your clothes. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.