What is booger’s job?

When you are sick you sneeze. That is your body saying to germs get out of my house. So what are booger's doing? I know they aren't the germs because the germs are trapped in the boogers. But why can't we just sneeze more bunch instead of gross boogers. I know you can sneeze when there's boogers... show more When you are sick you sneeze. That is your body saying to germs get out of my house. So what are booger's doing? I know they aren't the germs because the germs are trapped in the boogers. But why can't we just sneeze more bunch instead of gross boogers. I know you can sneeze when there's boogers but you you can't have booger's if you don't sneeze.
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