Why are leukocytes so central to second-line molecular defenses?
A) Leukocytes trigger other cells of the immune system to produce second-line molecular defenses.
B) Leukocytes remove second-line molecular defenses to inhibit damage to healthy tissues in the surrounding area.
C) Leukocytes produce second-line molecular defenses.
D) Leukocytes have nothing to do with second-line molecular defenses.
E) Leukocytes respond to the production of second-line molecular defenses.
Answer: C
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