Human blood is grouped into four types: A, B, AB, and O.Each blood type is also grouped by its Rhesus factor, or Rh factor. Blood is either Rh positive (Rh+) or Rh negative (Rh-). Type O– blood is considered the “universal donor” because it can be donated to people of any blood type. Type AB+ blood is considered the “universal recipient” because people with this type can receive any blood type.
Really you dont know?
-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.
-Different kinds of animals have different kinds of blood. Dogs have 4 blood types; cats have 11; cows have about 800.
-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.
-In Japan, the idea of blood type as personality type is so popular that Japanese ask “What's your blood type?” about as often as Americans ask “What's your sign?”
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-Certain blood types are more common in certain countries. In China, over 99% of the population has Rh+ blood.
-Different kinds of animals have different kinds of blood. Dogs have 4 blood types; cats have 11; cows have about 800.
-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.
-In Japan, the idea of blood type as personality type is so popular that Japanese ask “What's your blood type?” about as often as Americans ask “What's your sign?”
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