Question

what you know about o positive blood

Answer 1

o positive blood is the most common blood type in the world.  
people with o positive blood have higher levels of tendency of stomach acids.
O positive blood can donate blood to all positive blood types, including O positive, A positive, B positive and AB positive.
O positive blood holders can only receive O positive blood in return.

Answer 2

The O positive blood group is the most common type of blood group which is commonly found in the world. It is the only blood group which can donate blood to all the types of positive blood group. It is the Universal donar. It has Rh factor and many more benefits. Hope this helps !