I always wondered if the bellybutton was meant to be a blowhole like whales or dolphins.
Because I can remember a vivid memory of a baby swimming out of the womb in a pool.
Now in today's hi tek world. I believe there is a way to treat the Babies umbilical card with a 3D printed filter. That can connect to tanks.
A childhood belief about belly buttons

others believed things like this
- I used to believe that the waves in the ocean were made from whales swimming by...— Tina
- when I was a child I thougt taht sea waves are the result of whales swimming— waleed bokhari
- I used to think that a "pool shark" was an actual shark that lived in a swimming poolAnon
- I believed that the ladder on the back of a trailer/rv led up to a swimming pool.— marilese
- I used to believe that if you farted while swimming in the pool, it could propel you foward really fast.— Rick
- Up until I was in 3rd grade I believed my bathing cap is what kept me afloat in the swimming pool! Anon