True or false. b cells originate and mature in the bone marrow and their function is to produce antibodies; t cells originate and mature in the thymus and their functions include killing cells that have been infected with a virus.

How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half