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Typ o blood has antibodies12/15/2023 The 4 different blood groups in the ABO system are A, B, AB and O. ![]() Other blood group systems exist - to date, researchers have identified more than 300 minor blood groups External Link with new antigens still being discovered External Link. Together, they make up the 8 main blood groups. The 2 main ways to classify blood groups are the ABO system and the Rh system. Floating in the plasma are the red blood cells that carry oxygen, the white cells that form part of the immune system, and clotting cells called platelets. The bulk of your blood is made up of plasma. The blood carries oxygen and nutrients to every cell in the body and picks up waste products (such as carbon dioxide) for removal from the body. Typically, we only don't have antibodies for self-antigens.The circulatory system consists of the heart, blood vessels and blood. If we do encounter them, then the cells that produce those antibodies will multiply and the number of those antibodies will greatly grow. ![]() In conclusion, we can and do have antibodies for more antigens than we will ever encounter, and we have then before ever encountering them. Likewise, someone with an O type blood won't have both the A and B antigens, and so cells producing antibodies that bind to them will be allowed to mature, and they will have anti-A and anti-B antibodies circulating in the blood. Organisms with the A antigen will present it to maturing lymphocytes and thus create tolerance to it, not having cells producing A-antigen binding antibodies but they don't have the B antigen, so their lymphocytes won't be selected over it, and they will have cells producing B-antigen binding antibodies, which, if such antigen is introduced into the body, will mount an immune response against it. In this process, specialized cells present a myriad of self-antigens to the maturing lymphocytes, signalizing them to undergo apoptosis or become regulatory cells if they bind to them. Solution 2Īntibody-producing cells (B lymphocytes) generate antibodies through a gene recombination process, that allows a virtually infinite number of antibodies to different antigens to be created, including against self-antigens ( (D)J_recombination).Ī process of maturation, if working correctly, allows for those cells producing antibodies that strongly bind to self-antigens to be suppressed or eliminated, preventing autoimmune attacks ( ).
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