Rh Blood group

There are 4 main blood groups

Human blood falls into four different blood groups: A, B, AB and O Your blood also has what is known as an Rh factor: It either contains a certain protein or

blood group The two most important blood group systems are ABO and the Rhesus blood group systems which are used to determine someone's blood group which may be A, B,

blood type As of December 2023, a total of 45 human blood group systems are recognized by the International Society of Blood Transfusion The two most important