A type of white blood cell that engulfs foreign organisms is a(n)
A) antigen.
B) platelet.
C) vector cell.
D) dendritic cell.
Correct Answer:
Verified
Q3: White blood cells that directly destroy virus-infected
Q5: Macrophages act as
A)scavengers of worn-out cells.
B)healers of
Q7: A marker on the surface of a
Q10: Chemicals responsible for the dilation and increased
Q11: Swollen lymph nodes are an indication of
A)anemiA.
B)poor
Q14: Chemical messengers released by immune system cells
Q15: An infection that travels throughout the body
Q17: Antibodies have complementary surface markers that work
Q20: Which of the following is NOT a
Q21: A preparation of killed or weakened pathogens
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