Biology, asked by VIJAYSIVA8973, 1 year ago

O positive blood group bengali definition

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Answered by chakraborty852
2
our red blood cells have got chemical substances called antigens . these antigens may be proteins, carbohydrates, or other chemicals. The presence of those antigens and also their antibodies has given rise to blood group system and play role in blood transfusion. In humans , ABO blood grouping and Rh system present. 

                        Individuals with group O neither A or B antigens on their blood cells and have naturally occurring antibodies in their serum but they react from the group of A,B and AB people.  
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