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Blood
Lesson 9.3
| Term | Definition |
|---|---|
| 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
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