The first barrier to invasion is
A) antibody production.
B) intact skin and body cavity linings.
C) direct attack by white blood cells.
D) innate immunity.
E) development of memory cells.
Correct Answer:
Verified
Q10: Which of the following white blood cells
Q11: The largest lymphoid organ is the
A) spleen.
B)
Q12: Immunity that develops over time due to
Q13: Which of the following is associated with
Q14: Any organism that causes disease is classified
Q16: The core of the immune system is
Q17: The production site for white blood cells
Q18: Which structure(s) is(are) NOT included in the
Q19: T cells multiply and become specialized in
Q20: Which of the following white blood cells
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