If you travel through an airport during a major holiday season, you are very likely exposed to a number of potential pathogens. Describe some of the first lines of defense that your body uses to keep these pathogens out of your body.

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The Answer of If you travel through an airport during a major holiday season, you are very likely exposed to a number of potential pathogens. Describe some of the first lines of defense that your body uses to keep these pathogens out of your body.

If You Travel Through an Airport During a Major Holiday