Wart Gums I Have A Bubble With Blood In It On My Inside Gums?

I have a bubble with blood in it on my inside gums? - wart gums

On the lower left side of my mouth between the gums and the back of my mouth and it hurts. It really feels like jelly and filled with blood. It is now white and does not hurt ... I have no idea what it is .. I had a wart removed, such as the gum in your mouth for a while .. but apart from that I KNO.