[Solved] What is an anaplerotic reaction? Give an example. Anemic Cells: Anemic cells refer to blood cells, typically red blood cells, that are deficient in hemoglobin, leading to reduced oxygen transport and symptoms of anemia. Antibodies: Proteins produced by the immune system in response to foreign substances, which they neutralize or mark for destruction. Fibrinogen: A soluble plasma glycoprotein that is converted by thrombin into fibrin during blood clot formation. Antigens: Foreign substances that induce an immune response in the body, typically leading to the production of antibodies.