Question

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

Answer 1

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