Keratin is an important aspect of nonspecific defense because it ________.
A) is toxic to pathogens
B) creates a physical barrier against pathogens
C) destroys pathogens
D) physically restricts pathogens to a specific region
E) None of the choices are correct.
Correct Answer:
Verified
Q2: Nonspecific chemical defenses include
A)lysozyme.
B)lactic acid and electrolytes
Q11: The term _ is given to any
Q12: The chemical found in tears and saliva
Q13: Lysozyme is found in _.
A)mucous membranes of
Q14: All of the following pertain to platelets
Q16: Plasma
A)is the liquid portion of blood in
Q16: Immune system cells differentiate between self and
Q17: This body region is protected by fatty
Q18: The most numerous WBCs, that have multilobed
Q19: A properly functioning immune system is responsible
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