Is There a Maze for Sperm?

Doctor sarah masnik is an expert of chinas. She studies them by looking at victorian drawings. And she alsoy hat mustn't be a big fridge. A blue wells one a sa, you cold walk inside it. It's so many structures in there that we couldn't figure out how a sperm would possibly be able to swim from one end to the other. So basly, wells inside, they've got like flaps folds, blind alleys and funnels and a dizzying maze for sperm. They don't really know why, but habit with the birth then why is it? Why? Cause if they cae cam out tall f ye, well, it