Answer :
Answer:
The thick and sticky mucus associated with cystic fibrosis clogs the tubes that carry air in and out of your lungs. This can cause signs and symptoms such as: A persistent cough that produces thick mucus (sputum) Wheezing.
Answer:
The thick and sticky mucus associated with cystic fibrosis clogs the tubes that carry air in and out of your lungs. This can cause signs and symptoms such as: A persistent cough that produces thick mucus (sputum) Wheezing.