Analytical extended definition
Sickle cell anemia is a disease that affects hemoglobin in people. It mainly affects Africans and people from the Mediterranean and Middle East. Hemoglobin is found in the red blood cells and carries oxygen throughout the body, so people suffering from the disease do not get enough oxygen in the body due to lack of hemoglobin. The disease changes the shape of the red blood cells into sickle-shape thus the origin of the word sickle cell. Normal red blood cells are flexible and have the shape of a disc while the sickle-shaped ones are shaped like a crescent. The disease is also ...
