Youâre leaving work and see your coworker struggling to start their car. You go over to find out their batteryâs dead and offer to give it a jump. Before pulling out those jumper cables and connecting batteries, you should: a) Pull your running car up to theirs and leave the car running.
There are 8 different blood types (A+, A-, B+, B-, O+, O-, AB+, AB-). The most well known and medically important blood types are in the ABO group. Even though type AB is the rarest blood type, type AB plasma can help people with any blood type. 2  So, more type AB plasma donors are always needed. 3  By giving plasma regularly you can help people with AB, O, B and A blood types.
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.