I used to believe that there were no organs in your body except for your heart and that it was just one big empty cavity.
A childhood belief about general

others believed things like this
- The song called heart of glass mixed me up as a kid. I heard "Heart and ass". — oops
- I used to think that when people had heart attacks someone came and stabbed their heartAnon
- I used to think that if you eat pig heart, you could grow another heart and be twice as healthier. Anon
- I used to think that "extra body" shampoo meant you could use the runoff suds to clean your body.— Christy
- I used to think that the right sides of roads are empty in England, since everyone drives on the left.Anon
- I used to believe an artichoke was an animal and we only ate its heart. — Laura