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General Knowledge is important for most competitive exams, namely the UPSC Civil Services Examination, SSC CGL, Bank PO & PSU entrance tests, etc. Therefore, an understanding of the concepts/terms are relevant to our daily lives is critical for aspirants. To make your preparation easier and to help you score better, we at PaGaLGuY bring you brief articles on trending phenomena and concepts.
In the previous article, we learnt the concept of compatibility between blood groups and the adverse effects that occur after transfusion of blood from incompatible group. In this article, we will look into the compatibility chart for different blood groups, significance of blood group classification and other important facts.
Compatibility chart for blood groups
The term donor refers to the individual who donates blood whereas recipient is the individual to whom blood will be transfused.
The blood drop in the chart below indicates compatibility between the blood groups of the donor and the recipient.
Significance of knowledge of blood groups
The knowledge of blood groups is of prime importance in blood transfusion. Also, it was used by lawyers in cases of paternity suits, by anthropologists for study of human evolution and culture and in the field of forensic science. Organ transplant requires blood groups of donor and recipient to match, else the transplant is not possible.
Blood groups were discovered more than 100 years ago, however, scientists still do not know all the reasons these specific antigens serve. However, a few interesting associations between blood groups and diseases have been observed. For example, people from blood group B are more likely to catch an infection of E.coli (a type of bacteria).
Important facts about blood groups
1. The universal donor (blood group) is O- (O negative)
2. The universal recipient is AB+ (AB positive)
3. Average amount of blood in human body is around 5 litres
4. Blood makes up eight percent of your body weight
5. There is no substitute for human blood, however, coconut water can be used as a substitute for blood plasma in case of emergencies.
Link to All you need to know about blood groups – Capsule 1:
Link to All you need to know about blood groups – Capsule 2:
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