there are 8 types of blood
a+, b+, o+, ab+,a-,b-,o-,ab-
They can have a lot of blood-types
There are many good books on blood types. The book "Blood Types" is a simple one to start with. It lists all blood types and what the different types mean.
I think that all blood types are healthy blood types. There are three main types of blood that i know of and then there are others. I think that mine is B+ but i am not sure.
3
There are negative and positive of A, B, AB, and O. That means that there are 8 different blood types. Your blood type is determined based upon your mother and fathers blood types. O negative is the rarest blood type.
13
There are three types of blood vessels. There are veins, arteries, and capillaries.
No , there are many types of blood cells .
4 blood AB, A, B, and O
I believe type O blood is the one blood type that can be matched to any of the other blood types. There is one type of blood, though, that is not compatible with type O blood. However, that is very rare.
Vampire bats live on blood.
There is only one normal type of red blood cell.