Counterpoint
Brain: uh oh, the germs have arrived
Body: *starts getting warmer*
Brain: what are you doing?
Body: gettin hot
Brain: why are you getting hot?
Body: gonna kill germs
Brain: won’t that kill us too?
Body: ¯\_(ツ)_/¯
Gotta love the body’s solution to illness is to simply play a game of chicken.
Body: Nah I’d win
But when you get past 40 the body starts sending you signals you can’t ignore.
Body: time to pee
Brain: but we just peed
Body: pee now
Brain: fine, let’s go. Okay, we’re here. You can pee now.
Body: no
You’re part of the Flomax gang now.
“Knows” is a strong word, though they do have a sort of language: https://www.youtube.com/watch?v=TYPFenJQciw
Considering how of biology is just remembering the mapping to random names scientists came up with, I doubt it
Your body doesnt know where your lungs, kidneys, heart etc. are. And your brain wouldnt either without the necropsies and impromtu surgeries that were done to figure all of that out.
All parts of your body, except your brain apparently
