Many organs will do this intrinsic to themselves. The kidney as we spoke about will have this own rads pathway just for its own homeostasis. Sometimes when you have a condition like hypertension It may not be because of the classical raspin out of whack. Yeah All right, that was the renin angiotensinodosterone system. We do have some listener male So we can jump into that. Do you want me to begin? I've got one open up right? Yep. Okay, so he's from Germany and Ralph says hi, I've become a big fan of your YouTube channel I study the brain more or less just for fun or because it is a great