The lungs and the heart collaborate to make the body function properly.

I sincerely regret having caused you such an inconvenience.

I apologize for unintentionally causing trouble.

If (you) run on the tracks well, then (your) lung function can improve easily.

In the case of Korean, all sounds with linguistic meanings are, without exception, pulmonic egressive sounds, made by utilising airflow coming out from the lungs.