I didn't know about blood vessels until I was about 6. I thought that the human body was a blood sack with organs and bones.
A childhood belief about general

others believed things like this
- I used to think that instead of bones and blood and tissue that you body was made up of tuna.— m.n
- when I was young, I heard that blood had iron in it. I thought blood was red because it was rusty.— Hunter
- I used to believe that guns shot out blood because everytime somebody shot a gun in a movie you saw blood.Anon
- My father used to call soya sauce "monkey blood". I didn't even consider tasting it for years!— Me
- when i was litte
I used to believe that white people had white blood and black people had black blood.Anon - I thought the blue veins in some cheeses were actually blood vessesls!— Helen