On average, an adult has about 1.2 to 1.5 gallons – or 10 units – of blood in their body, according to the American Red Cross. This accounts for approximately 10% of a person's weight. Now that's a ...

according to American Red Cross. A person's blood type is determined by "the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body" ...

A person's blood type is determined by "the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body," according to American Red Cross.

Understanding blood type compatibility is necessary for ensuring safe blood transfusions and organ donations. We will explore the different blood types, how they are compatible with each other, and ...

LifeShare Blood Center is urging Type O donors to donate at mobile blood drives this week, as local hospitals are facing an ...