During which type of immune system response does the body's defense system remember previous infections?
A) acquired immunity
B) imagined immunity
C) natural immunity
D) adaptive immunity
Correct Answer:
Verified
Q1: One of the best ways to break
Q3: T and B cells help preserve the
Q3: White blood cells that directly destroy virus-infected
Q5: Microscopic hair-like structures that sweep foreign substances
Q5: Macrophages act as
A)scavengers of worn-out cells.
B)healers of
Q7: The body's first line of defense against
Q9: White blood cells are produced in the
A)brain.
B)bone
Q10: Vessels and organs that pick up excess
Q11: Swollen lymph nodes are an indication of
A)anemiA.
B)poor
Q13: A microorganism that causes disease is a(n)
A)antigen.
B)toxin.
C)pathogen.
D)antibody.
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