While it may seem like something that € totally benign and not really of much use in our day-to-day dealings with people, there are situations where the knowledge can actually become a factor between life and death. Sometimes, reactions due to incompatible blood types can prove to be fatal. Several completed and ongoing research have also shown that knowing one € blood type can. Blood Typing As A Basic Necessity 1 comment Leave a reply One of the basic information that people need to know about themselves is what their blood type is. Knowledge of one € blood type is especially useful in times of emergencies, when there is a sudden need for blood transfusion. Each individual can have any of four blood types € A, AB, B or O € which are inherited from and are dependent upon one € parents. In cases where a blood transfusion may be necessary, such as in tragic car accidents or due to a medical condition such as dengue fever, there is a need to ensure that the blood type of the donor should be compatible to that of the recipient.

Otherwise, an allergic-type reaction may occur.