Of course they do :)
Yes they have a heart and they have blood.
Yes we do have a heart and we do have blood...
Vampires arent real i mean im ten and i know that
They have a heart but no blood. Thats why they need ours, so they can use their heart for something
Yes, they're probably like most humans just love to drink blood just like we like to drink water. So they probably have a heart like us too.
They have a heart, but they have no blood. It's for that reason that they must take the blood of others.