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Biology
Smoking destroys the cilia in the respiratory passageways. This
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Q. Smoking destroys the cilia in the respiratory passageways. This
Breathing and Exchange of Gases
A
makes it harder to move air in and out of the lungs.
30%
B
decreases the surface area for respiration.
32%
C
slows blood flow through lung blood vessels.
13%
D
makes it harder to keep the lungs clean.
25%
Solution:
Debris normally gets trapped in mucus lining the respiratory passage ways. This mucus is then swept up and away from the lungs by the action of cilia.