Mouth Germs Quiz
Some people believe that it’s OK to pick up food on the floor as long as it’s been there for less than five seconds. But did you know that food starts to pick up germs from the moment it hits the floor? Eating it will add new germs into your mouth, although there are plenty there in any case.
This is just one of the 12 topics found in this interesting online quiz about the germs that reside in the mouth. Test your knowledge here: