Lung Fibrosis Why Do Sufferers Of Cystic Fibrosis Have *heart* And Lung Transplants?

Why do sufferers of Cystic Fibrosis have *heart* and lung transplants? - lung fibrosis

I am learning about cystic fibrosis for my biology class level, and one of the treatments was mentioned in a textbook, "Heat and Lung Transplantation. Why is it sometimes more transplants of the heart, the lungs? *

* I do not believe that the failure of the heart, but other body systems, such as respiratory and reproductive organs.