english: All of these smells come from the activity of microorganisms, particularly bacteria, and, as disgusting as it may sound, similar bacteria live in the moisture-rich environment of your mouth.
non_english: Vsi ti vonji so posledica delovanja  mikroorganizmov, posebej bakterij, in naj se sliši še tako ogabno, podobne bakterije živijo  v vlažnem prostoru vaših ust.