Answer:
What has 13 hearts but no other organs?
What has a head and a tail but no body?
Sometimes I am white, sometimes I am dark. Most people love me. What am I?
What body part is pronounced as one letter, but written with three, only two different letters are used?
I have no wallet but I pay my way. I travel the world but in a corner I stay. What am I?
Walk on the living, they don't even mumble. Walk on the dead, they mutter and grumble.