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.
Although all blood is made of the same basic elements, not all blood is alike. In fact, there are eight different common blood types, which are determined by the presence or absence of certain antigens â substances that can trigger an immune response if they are foreign to the body. positive is the most common blood type. Not all ethnic groups have the same mix of these blood types. Hispanic people, for example, have a relatively high number of Oâs, while Asian people have a relatively high number of Bâs. The mix of the different blood types in the U.S. population is: