Microorganisms that typically live on human sur¬faces,including the interior tubes and cavities of the digestive and respiratory tracts,are called ____________.
A) normal flora
B) acne
C) biofilm
D) commensal organisms
E) parasitic organisms

Question

Microorganisms that typically live on human sur¬faces,including the interior tubes and cavities of the digestive and respiratory tracts,are called ____________.  
A) normal flora
B) acne
C) biofilm
D) commensal organisms
E) parasitic organisms

Quizplus · Accepted Answer

Normal flora are microorganisms that typically live on human surfaces, including the interior tubes and cavities of the digestive and respiratory tracts.

Microorganisms That Typically Live on Human Sur¬faces,including the Interior Tubes