Which of the following is/are part of the body's first line of defense against the invasion of foreign organisms?
A) the skin
B) cilia
C) white blood cells
D) fever
Correct Answer:
Verified
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
Q15: Special growth stimulants released by helper T
Q16: Antibodies have complementary surface markers that bind
Q17: In which type of immunity response does
Q19: A type of white blood cell that
Q20: Which of the following is NOT a
Q21: Vaccines confer _ immunity.
A)active
B)partial
C)innate
D)natural
Q22: Lymphocytes that produce antibodies are called _
Q23: A disease in which an individual's immune
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