7. Circle the correct answers to complete the sentences: For a successful transfusion, the patient must not make any (antibodies, antigens) that will react with the (antibodies, antigens) on the donor's blood cells.

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A:

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Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.