Match each tissue/ organ with its status regarding our current understanding of its resident microbiota:

a. skin and mucus membranes
b. bladder and urine
c. brain
1. no known microbes, but microbial DNA has been detected
2. believed to harbor some microbes
3. definitively know to harbor microbes


a. skin and mucus membranes = 3. definitively know to harbor microbes
b. bladder and urine = 2. believed to harbor some microbes
c. brain = 3. definitively know to harbor microbes

Biology & Microbiology

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