ANATOMY

Detailed explanation-1: -There are 4 main blood groups defined by the ABO system: blood group A – has A antigens on the red blood cells with anti-B antibodies in the plasma. blood group B – has B antigens with anti-A antibodies in the plasma. blood group O – has no antigens, but both anti-A and anti-B antibodies in the plasma.

Detailed explanation-2: -Type O negative blood is the only blood type with no antigens. Blood type A has an A antigen, while blood type B has a B antigen. Blood type AB has both A and B antigens. Blood type O has neither.

Detailed explanation-3: -Type O-negative blood does not have any antigens. It is called the “universal donor” type because it is compatible with any blood type.

Detailed explanation-4: -Get our guide to find out. In addition to the A and B antigens, there is a protein called the Rh factor, which can be either present (+) or absent (–), creating the 8 most common blood types (A+, A-, B+, B-, O+, O-, AB+, AB-).

Detailed explanation-5: -O Positive blood-37% O Negative blood-7% A Positive blood-36% A Negative blood-6% B Positive blood-8% B Negative blood-2% AB Positive blood-3% AB Negative blood-1%