The eight types of blood are A negative, A positive, B negative, B positive, AB negative, AB positive, O negative and O positive. The type of blood a person has depends on whether or not two different antigens are presen... More » Science Human Anatomy Blood

The blood types and their global prevalence are A+ at 28.3 percent, A- at 3.5 percent, B+ at 20.6 percent, B- at 1.4 percent, AB+ at 5.1 percent, AB- at 0.5 percent, O+ at 36.4 percent and O- at 4.3 percent. The rarity o... More » Science Human Anatomy Blood

Blood clumping, also known as agglutination, occurs when different blood types are mixed. This may prove fatal when it occurs inside the body. More »

Eight different blood types are found within the human population: O positive, O negative, A positive, A negative, B positive, B negative, AB positive and AB negative. Blood type is an inherited factor and is determined ... More »

The human blood contains five different types of antibodies, also known as immunoglobulins. They are IgG, IgA, IgM, IgD, and IgE, according to WebMD. The abbreviation Ig in its own refers to immunoglobulin, or antibody. ... More »

Blood viscosity is in no way affected by the heat or cold of the surrounding environment, so blood does not thin in hot weather. Experiences of extreme temperatures differ from the effect they have on the blood and other... More »

The American Red Cross reports that an adult human has about 10 pints of blood in his body, which converts to about 5 quarts. When a person donates blood, he typically only provides 1 pint per donation. More »