Does Swimming Make Your Lungs Grow?

I have huge lungs. When I get my PVT, the person giving to me always thinks somehting is wrong woth the machine. However, I also have asthma. I know other guys with large lungs (over 9 l) thye all have asthma.

I have huge lungs. When I get my PVT, the person giving to me always thinks somehting is wrong woth the machine. However, I also have asthma. I know other guys with large lungs (over 9 l) thye all have asthma.