Charles Drew is considered the Doctor Who discovered the Blood Bank Concept.
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William Harvey's invention of the circulation of blood revolutionized the understanding of the human body and greatly advanced the field of medicine. His discovery that blood circulated through the body, pumped by the heart, challenged the traditional belief that blood moved by ebb and flow. This breakthrough knowledge laid the foundation for modern anatomy, physiology, and cardiology, greatly improving medical treatments and saving countless lives.
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The United States of America fostered an Aryan (Nazi) policy that "white blood" breeds out inferior bloodlines; called a "Blood Quantum" test or theory. Using this theory Indians were seen to have had their bloodlines wiped out by interbreeding with "whites" and thereby reducing the amount of blood that was actually still "Indian."This theory (Blood Quantum) is seen as racist by many modern tribes and ignored for any tribal determinations; some tribes do still use it however.Answer 2:I WAS TOLD THAT THE FATHER IS THE DOMINENT BLOOD CARRIER, & A FATHERS BLOODTYPE CHANGES THE MOTHERS . NO MATTER IF THE MOTHER IS NATIVE AMERICAN O BLOODED OR NOT... HER BLOOD WILL BE OVERSHADOWED BY THE MALE! LEAVING THE DNA STRAND STILL VISIBLE BUT NOW THE FATHERS IDENTIFICATION TAG! (for instance my moms is O-, but because of my father I am now O+)Please note that "Blood types" and "blood typing" through parenthood has nothing to do with the the Political question (or laws) of "Blood Quantum" and "Certificate of Indian Blood." Blood Quantum and a Certificate of Indian Blood go back to political history definitions of "Patriation" (See: 8 United States Code) and its related laws and policies.
I feel that the recent ruling of the United States Army and Navy regarding the refusal of colored blood donors is an indefensible one from any point of view. As you know, there is no scientific basis for the separation of the bloods of different races except on the basis of the individual blood types or groups. (1942)
He helped by save peoples lives.For discovering the blood plasma, and basically improving the blood transfusion.