There are actually four blood sorts: A, B, AB, or O. Also, blood is both Rh-optimistic or Rh-damaging. So if you have sort A blood, It can be possibly A beneficial or simply a destructive. Which type you are is very important if you need a blood transfusion. Plus https://growthbookmarks.com/story19871744/indicators-on-blood-castle-mu-online-you-should-know