The barriers to invasion by microbes can involve
A)urine.
B)the symbiotic microorganisms already in the body.
C)ciliated mucous membranes.
D)lysozyme and other enzymes.
E)all of these.

Question

Quizplus · Accepted Answer

Urine, symbiotic microorganisms, ciliated mucous membranes, and lysozyme and other enzymes are all possible barriers to invasion by microbes. Therefore, the best answer is E, all of these.

The Barriers to Invasion by Microbes Can Involve