Multiple choice general knowledge

What causes bad breath?

  1. Large accumulation of saliva

  2. Release of foul smelling digestive gases

  3. Presence of bacteria in mouth which release various sulphur gases

  4. Unhealthy stomach
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Bad breath (halitosis) is primarily caused by volatile sulfur compounds released by oral bacteria that break down proteins and food debris. These bacteria thrive on the tongue and between teeth, producing foul-smelling gases.

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