Question

The white blood cells ___.

A. Are the major infection fighters in the blood stream

B. Are the chambers of he heart

C. Carry oxygen from the lungs throughout the body

D. Are the enzymes which facilitate digestion

Answer 1

A : THe major infection fighters
Cheating on a test/quiz? Not so good! ;D

Answer 2

Your answer is A.

White blood cells are the major fighters of infection.