I just presumed that everyone knew about this when I got a new Mandela Effect Avatar update a couple of weeks ago. Interesting times. I know it's impossible to convince anyone of this so I would just advise everyone to spend 30 minutes studying current human anatomy as it's changed a few times for me over the last couple of years.
https:// www.youtube.com/watch?v=9MA0fXPZiTM
https:// www.youtube.com/watch?v=MvgYEPVnZh8