How many blood types are there?

There are 4 different blood types (A, B, O, & AB). Each blood type can either be Rh positive or Rh negative. (e.g., A+, A-, B+, B-, O+, O-, AB+, AB-).

Blood type AB is the universal receiver when it comes to donating blood. That means anyone can donate blood to a person with AB blood.

Blood type O is the universal donor, which means that anyone can take O blood. '

All other blood types can only be donated to their specific blood type (i.e. A-A, B-B.)
A B AB O, each of which can be positive or negative, for a total of eight.
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How many blood types are there and what are they?

There are 4 basic blood types. A, B, AB, and O. Then, there is the "rh" factor, determining if you are negative or positive. So, there is A+, A-, B+, B-, AB+, AB-, and O+, or (MORE)
In Health

How many blood types do humans have?

Humans have 8 blood types: A+ and A- B+ and B- AB+ and AB- O+ and O- all types can receive donations from their individual blood type (for example anyone with A+ can rece (MORE)

How many types of human blood are there?

There are ten, in order from most common to most rare: O+ O- A+ A- B+ B- AB+ AB-. O+ is the most common with AB- being the rarest
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How many types blood group name them?

  There are four main blood groups: A, B, AB, and O. These also have a negative and a positive, I.e A+, A-, and so on. This would mean that there are eight different type (MORE)

How many type of blood groups?

There are four (without going in depth into recessive/dominant/proteins present): A, B, AB and O
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