ANTH 1200 Lecture Notes - Lecture 6: Parasitic Disease, Circulatory System, Hemoglobin

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5 Nov 2022
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Specific proteins on the surface of cells that stimulate the immune system"s antibody production. Molecules that form as a part of the primary immune response to the presence of foreign substances; Antibodies act like magnets, attaching to the surface antigens of incompatible cells. This causes blood to clump, which can lead to death. 1600 blood circulation is discovered and the first blood transfusions are tested. 1900 there were actually 4 different blood types. Hektoen: only certain types were compatible w/ each other. > cross matching blood donors and recipients are important. Blood type o is a universal donar because it has no surface antigens, so antibodies won"t stick to it. Blood type ab is a universal recipient because they do not produce any antibodies. All the populations that can potentially breed w/ each other and produce viableertffspring (biological. All the genetic information in the breeding population s exceptions 8. Life on earth is extremly variable and hard to classify.

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