Question

person with O blood group is considered as universal Donor

Answer 1

Answer:

People with type O- blood are called universal donors because their donated red blood cells have no A, B or Rh antigens and can therefore be safely given to people of any blood group. ... Their plasma does not contain A or B antibodies and can be transfused safely to all blood types.

Answer 2

Answer:

Person with 'O' blood group does not have any antigen on his/her RBCs. The 'O' type blood thus cannot cause clothing reaction in the body often the recipients. Such person with 'O' blood group can donate blood to any person having any blood group therefore they are considered as 'universal donor'.