There are actually 4 blood styles: A, B, AB, or O. Also, blood is possibly Rh-beneficial or Rh-destructive. So if you have type A blood, It is either A favourable or simply a detrimental. Which sort you happen to be is very important if you need a blood transfusion. https://nimmansocial.com/story9899451/the-5-second-trick-for-blood-castle-mu-online