Question

Which types of blood are exist?

Answer 1

Answer:

There are about 4 types of blood which are

Explanation:

A, B, AB and O, but all these can be positive and negative making it 8 blood types

Fun Fact: O negative blood is the rarest, meaning you can share it with anyone (donate).

Answer 2

Answer:

There are 8 types of blood (blood groups).

1. A positive (A+)
2. A negative (A-)
3. B positive (B+)
4. B negative (B-)
5. AB positive (AB+)
6. AB negative (AB-)
7. O positive (O+)
8. O negative (O-)