Answer:
What has 13 hearts but none beat?
It stands upright and can be quite grand. Its secret is not hidden but right at hand. What is it?
What doesn't get any wetter, no matter how much rain falls on it?
You throw away the outside and cook the inside. Then you eat the outside and throw away the inside. What did you eat?
Give it food and it will live, give it water and it will die.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.