 [ Symptoms ] has heart any thinking power does heart have any grey matter  in many a religion  heart has been described as if it is able to think and act like brain is it so does heart has any thinking power and does it have any grey matter like brain [ Disease ] hi yes forgot the last bit your find that most women never see implantation bleeding which for most is just spotting around day 21 if its a 28 period so if the bleed lasted a few days it would have been your period come early ok good luck