Question

मानव रक्त के कितने समूह होते हैं​

Answer 1

Answer:

4

Explanation:

A, B, AB, O

PLEASE MARK ME BRAINLIST

Answer 2

4

Explanation:

main classify of blood group are-

1. A

2.B

3.Ab

4.O

but there are 8 type of blood groups are-

1.A+

2.A-

3.B+

4.B-

5.AB+

6.AB-

7.O+

8.O-