The digestive tract, reproductive tract, and respiratory tract all have a similar strategy for keeping pathogens out of the body. What is that strategy?
A) They all expel contaminated material.
B) They all are somewhat acidic.
C) They all have antimicrobial materials in them.
D) They all have mucous membranes which trap pathogens.
E) They are all mostly closed to the environment.
Correct Answer:
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Q15: Viruses cause which of these diseases?
A) Gonorrhea,
Q16: Prions cause which of these diseases?
A) Gonorrhea,
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Q19: Where do prions come from?
A) There are
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