Healthy Habits for Bonsall & Fallbrook Folks: Blood types – Do you know yours?
Last updated 5/4/2023 at 6:04pm
Dr. Megan Johnson McCullough
Special to the Village News
There are four main types of blood: A, B, AB and O. Blood type is determined by antigens found in red blood cells. Each letter refers to a type of antigen. A blood type is also called a blood group. Which type a person has is determined by the genes they get from their parents. Every person's blood is unique because they have their own set of antigens and antibodies.
Most people have 4-6 liters of blood in their body. The cells that float in this liquid are called plasma. In 1901 the Austrian scientist Karl Landsteiner discovered t...
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