Question

Some of the components of the blood of a mammal are listed. Which two of these components are involved in attacking bacteria and other organisms that cause disease?
1) antibodies
2)fibrinogen
3)Platelets
4)White cells

A) 1 and 2
B) 1 and 4
C) 2 and 3
D) 3 and 4

Answer 1

The answer is 1 and 4