What are ghosts made of? . (Living) humans are made up majorly of carbon, hydrogen, nitrogen, calcium, etc. While it's evident that ghosts are visible to use in the form of dense gases and mists and have the ability to apply force on objects, ghost researchers have not concluded what spirits are truly made out of, even though spirits must possess mass to appear and move objects. . Could their mass elements just not exist on our periodic table? . What do you think? Join the discussion in the c