Most of the people visualize A, B, AB and O when they hear the phrase “blood sorts.” These letters classify blood forms depending on irrespective of whether red blood cells possess the A antigen or B antigen. This is often called the ABO technique. Blood types are both “positive” or https://collinwnudn.yomoblog.com/43476453/indicators-on-cubensis-b-temperature-you-should-know