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Answered

why are the cilia and the mucus membrance important in the respiratory system
A. they make the respiration process faster
B. they push the air into the lungs
C. They cleanse and warm the air before it reaches the lungs
D. They enable the blood to carry oxygen​

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Answer: c

Explanation: The bronchus in the lungs are lined with hair-like projections called cilia that move microbes and debris up and out of the airways.

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