Erythropoietin (EPO) is a Hormone that stimulates Red Blood Cell (RBC) production and is normally produced in the kidney or liver, but primarily in the kidney. A Hormone is a chemical messenger released by cells into the blood that affects a distant part of the body. Erythropoietin travels through plasma to bone marrow increasing Red Blood Cell production that acts on an enzyme. An enzyme is a protein molecule that acts as a catalyst (something …showed first 75 words of 752 total…

…showed last 75 words of 752 total…they had to use blood of family and relatives or people with similar blood types. Some of the blood was tainted and after the Games some contracted hepatitis. Athletes who push themselves to be the best that they can be should be awarded. Drugs should not be used since they enhance performance and give an unfair advantage over those who do not take drugs and also can have problems that can later harm the athlete.