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Lesson 9.3

anemia a disease that accurs when there is not enough hemoglobin in the blood so it can't carry adequate oxygen to the cells
antigen proteins carried by red blood cells and are controlled by genes and determine your blood type
blood liquid connective tissue that circulates throughout the body via blood vessels due to the pumping action of the heart
blood clot a solid mass of cell fragments and other substances that plugs a leak in a damaged blood vessel
blood type a combination of antigens that determine compatibility of blood transfusions, the best known group is the ABO system
hemoglobin a protein that contains iron, it is what makes red cells red, and helps carry oxygen in red cells
hemophilia a genetic disorder in which blood fails to clot properly because a normal clotting factor in the blood is lacking
leukemia a type of cancer in which bone marrow produces abnormal white blood cells, and these cells cant do their job fighting infections
plasma the liquid part of blood, a watery, golden-yellow fluid that contains many dissolved substances like glucose, proteins and gases
platelet small, sticky cell fragments that help blood clot
red blood cell cells shaped like flattened, there are trillions of these, and each one contains millions of molecules of hemoglobin
sickle-cell disease a genetic disorder of the blood, it happens when people who inherit two copies of the recessive mutant gene for hemoglobin
white blood cell larger cells, but fewer of them, they help defend the body
Created by: EricaJ13