Answer:
Pulmonary fibrosis
Explanation:
Pulmonary fibrosis occurs when lung tissue becomes damaged and scarred. This thickened, stiff tissue makes it more difficult for your lungs to work properly. As pulmonary fibrosis worsens, you become progressively more short of breath
A) the exchange of gases throughout the body
A. Protein powers the body.
Answer:
i dont quite understand the ?
Explanation: