Blood group otherwise known as blood types, are classified and identified in various categories. It is dependent if antibodies are present or absent as well as antigens that could be inherited which are found on the surface of the red blood cells. Each and everyone belongs to a particular category that gives a description of the blood class or group they belong to. It is important for one to know the class he/she belongs to in order to avoid regrettable or consequential mistakes. Hence, I come forward make my contribution to this important topic of discourse as hosted by @sahmie.
The picture above depicts the main types of blood we have. There are other types but the four above, are the major ones. 'AA,' the 'AB', the 'B', and the 'O' forms the four major type of blood.
How to know our blood type or group
It is very necessary to know your blood type so as to also know the kind of treatment and blood requirement you may need. As I said earlier, the presence or absence of antigens are the determining factors that are looked out for, while conducting blood test to know your blood type. So now, to know your blood type, you need to visit a doctor or nurse to run a blood test. They will draw blood from your body to check the presence or absence of the antigens and that of the rhesus factor. If some of the blood group antigens manifests in the sample, the test result will show a clustering blood. If the blood does not cluster, it means that the blood type is 'O' negative.
Knowing our blood type is important for the following reasons:
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