Question

4. _____________ is a chronic lung disease .​

Answer 1

Explanation:

Asthma is one of the most common types of chronic lung disease. When triggered, your lungs become swollen and narrow, making it harder to breathe. Symptoms include: wheezing.

Chronic lung disease may be caused by smoking tobacco or by breathing in secondhand tobacco smoke, chemical fumes, dust, or other forms of air pollution. Types of chronic lung disease include asthma, chronic obstructive pulmonary disease (COPD), pulmonary fibrosis, asbestosis, pneumonitis, and other lung conditions.

Answer 2

Answer:

Asthma is a chronic lung disease .​

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