Special growth stimulants released by helper T cells that stimulate the activation and proliferation of killer T cells and B cells are
A) cytokines.
B) antibodies.
C) antigens.
D) histamines.
Correct Answer:
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Q10: Chemicals responsible for the dilation and increased
Q11: T and B cells help preserve the
Q12: Vessels,organs,and structures that pick up excess fluids,then
Q13: A microorganism that causes disease is a(n)
A)antigen.
B)toxin.
C)pathogen.
D)antibody.
Q14: Hair-like protrusions that sweep foreign substances out
Q16: Antibodies have complementary surface markers that bind
Q17: In which type of immunity response does
Q18: Which of the following is/are part of
Q19: A type of white blood cell that
Q20: Which of the following is NOT a
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