Cough, Feeling of not being able to get enough air, Rapid heart rate (pulse) Feeling of not being able to get enough air, Pain or discomfort, Palpitations (fluttering in chest), Rapid heart rate (pulse) Palpitations (fluttering in chest), Pounding heart (pulse), Rapid heart rate (pulse), Shortness of breath.
The four main blood types are A, B, O and AB. They differ from each other by which antigens are present on the blood cells. They also have subgroups for each main types. So A has the sub group of AA or AO. Then there is the Rh or Rhesus blood type. Humans are usually +ive or -ive. With a number of antigens for this.
There are four major blood types: A, B, AB, and 0. The blood types are determined by proteins called antigens (also called agglutinogens) on the surface of the RBC. There are two antigens, A and B. If you have the A antigen on the RBC, then you have type A blood. When B antigen is present, you have type B blood. When both A and B antigens are present, you have type AB blood. When neither are present, you have type O blood.