pgreene pgreene
  • 22-04-2020
  • Health
contestada

3. Why does a smoker often cough?
A tar sticks to the cilia
B mucus gets thicker
80%
C toxins irritate the lining
80%
D bronchi restrict air flow

Respuesta :

suvannarodriguez97
suvannarodriguez97 suvannarodriguez97
  • 22-04-2020

Answer:

D is your answer. Hope that helps

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milla05
milla05 milla05
  • 22-04-2020
The answer would be D
Answer Link

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