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What structures below trap and remove pathogens that could enter the respiratory system?

A.mucus
B.cilia
C.neither of these
D.both of these

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User AsTeR
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Answer:

I'm pretty sure it's A) Mucus

Step-by-step explanation:

Mucus traps and removes pathogens while the cilia are goblet cells that secrete mucus which helps protect the lining of the bronchus and trap microorganisms, not pathogens

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User RJM
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