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.
A person's blood type is based on the antigens found in the blood. These antigens, A and B are found on the surface of the blood cells and are uses as markers in the body. Type O blood does not have A or B antigens on the red blood cells, but contains both types in the plasma.Blood types also contain a positive or negative mark depending on the presence of the Rhesus or Rh antigen.Those who have Rh markers in the blood have a positive blood type while those who lack Rh will have a negative blood type.lood types also contain a positive or negative mark depending on the presence of the Rhesus or Rh antigen. Those who have Rh markers in the blood have a positive blood type while those who lack Rh will have a negative blood type.