Which of the following is NOT a chemical barrier that helps prevent entry of microbes into the body tissues?
A) Lysozyme
B) Sebum
C) Normal flora
D) Cytokines
Correct Answer:
Verified
Q17: Which lymphatic structure enters the subclavian vein?
A)Lymphatic
Q18: Contraction of smooth muscle in the walls
Q19: Blood is pushed through _ by the
Q20: Lymphatic system vessels begin with
A)lymphatic ducts.
B)lymphatic vessels.
C)lymphatic
Q21: Peyer's patches are lymphatic nodules found in
Q23: The tonsils are composed of
A)Peyer's patches.
B)lymphatic nodules.
C)stem
Q24: Which of the following is NOT a
Q25: The red pulp in the spleen contains
A)macrophages.
B)lymphocytes.
C)worn
Q26: Which of the following has a connective
Q27: Which of the following is NOT a
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