Question

how do sneezing and coughing help protect our lungs ​

Answer 1

sneezing and coughing occure when unwanted dust and dirt particle try to get into our body while inhalaltion.

On sneezing those unwanted particles comes out from our body via nose.

Answer 2

Answer:

When mucus, germs, and dust irritate your throat and airway your body automatically responds by coughing. Similar to other reflexes like sneezing or blinking, coughing helps protect your body.