Toll-like receptors (TLRs) trigger the release of ________ to attract white blood cells to the scene.
A. cytokines
B. histamine
C. prostaglandins
D. complement
Answer:A
Toll-like receptors (TLRs) trigger the release of ________ to attract white blood cells to the scene.
A. cytokines B. histamine C. prostaglandins D. complement