Question

Abnormal condition of lungs caused by coal dust is called

Answer 1

Asthama is the major problem due to prolonged exposure to dust. It causes swelling of alveoli of lungs and secreates excess mucus thus inhibiting proper respiration.

Hope it helps...

Answer 2

तितुकीु. ुुी. ुुुुूूििुुीीुुप ििर ूूििर ूूुुर ूूू. की प प ब ब प ुुप ूूुुर ूूप. ब ूूूप