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.
What ABO blood type most common and least common? The most common form of blood is A+, and the least common is O-. What blood type is the most common? The most common blood type is O+, which is 40% of humans blood type. What is the most common blood type in humans? There are 8 types of human blood: O positive, O negitive, A positive, A negitive, B positive, B negitive, AB positive, and AB negitive. The most common blood type is O positivâ¦e. The most uncommon blood type is AB negative.