Why is knowing our blood type so important to us? Because blood is a vital part of your identity. Knowing one's blood type is important for a variety of reasons. The first is that in case of an accident, if one loses large amount of blood, he/she requires a transfusion. He/She will have severe consequences if the wrong blood type is administered. (At times, coma and eventually death will occur). Did you also know that blood types can also be used to exclude paternity. In 99% of the cases, children will carry the same blood type as their parents. These are two of the several uses of knowing your blood type. Do you know your blood type? If not then have a blood typing done now, and remember to keep your blood group card in your wallet.