blood types

 

blood is very important thing . blood affects a person's life. There are 4 main types of blood . they are 

A

B

AB  

O

blood type depends on the genes of the parents . There are 8 types of blood according to the subdivisions. In 2019, the International Blood Transfusion Association has identified 41 human blood groups. However, some blood types are rare as well as in demand. The rarest blood type is AB negative. O type blood can give to anyone who in life  danger  or when there is no specific blood type. because type O negative blood do not have antibodies to the A, B or Rh antibodies. Type O blood is given to patients more than any other type of blood. It is the most needed blood type. But people with O-positive blood can only get blood from O-positive or O-negative blood groups. Most of the African people have o type blood. The blood is deposited in the bank to be taken in case of emergency. 

 

   

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