List of volcanoes in Japan. This is a list of active and extinct volcanoes in Japan. Orange background indicates a volcano considered active by the Japan Meteorological Agency.
Facts about Blood Types with charts about Blood Types and Blood type information O + O positive donors are needed more frequently than any other donor. Because O positive is the most common Blood type (39% of the population), it is needed more often by people requiring Blood in hospitals. Facts about Blood Types with charts about Blood Types and Blood type information. O - 7% of the population has O negative Blood.
Con: Type O negative carriers will have anti-A and anti-B antibodies against A B, Rh blood group antigens. Thus, a type O individuals can only accept type O blood. Introduction of other types of blood A, B, or AB may cause immune responses and ultimately, death! Type O negative is the rarest, which makes the supply of type O more scarce than other types. Pro: Type O negative is known as the universal donor type. This type of blood can be donated to anyone. Blood group O indivuduals do not have either A or B surface antigens on their red blood cells. Thus, one may donate and save many lives! (and you would really help people with blood O type!)