Quote Originally Posted by lnopia the great View Post
turns out that neurons dont get replaced (this is being challenged), cerebral cortex cells are never replaced and there from birth, and most of your heart cells replace so slowly that at the end of your life its possible to have some there from birth

plsu i dont think your teeth ever replace themselves but without googling cause im lazy id say they arent really cells just 'shaped biological rocks in your mouth'
Thank you