Fill in: reaction, recipients, transfusion, paternity, immunology.
1
is the scientific study of how
the body protects itself.
2 There was a strange
when the two
blood types came into contact with each other.
3 The accident victims received blood ...
from anonymous donors.
4
of blood type O can have any
blood group
5 Landsteiner used blood as a
test.
1. Immunology
2. Reaction
3. Recipients
4. Transfusion
5. Paternity
Объяснение: