Some people think blood type tells about personality. Legend has it that Type A is calm and trustworthy; Type B is creative and excitable; Type AB is thoughtful and emotional; and Type O is a confident leader.
Blood type is inherited, just like eye color.
Certain blood types are more common in certain countries. In China, over 99% of the population has Rh+ blood.
Type O-negative blood is needed in emergencies before the patient’s blood type is known and with newborns who need blood
Type O-negative blood (red cells) can be transfused to patients of all blood types. It is always in great demand and often in short supply.
Type AB-positive plasma can be transfused to patients of all other blood types. AB plasma is also usually in short supply.
If you began donating blood at age 17 and donated every 56 days until you reached 76, you would have donated 48 gallons of blood, potentially helping save more than 1,000 lives!
Every two seconds someone in the U.S. needs blood.