Question

What are physical barrier? how do they prevent infection.​

Answer 1

Answer:

The skin, mucous membranes, and endothelia throughout the body serve as physical barriers that prevent microbes from reaching potential sites of infection. Tight cell junctions in these tissues prevent microbes from passing through.

Answer 2

Answer:

Physical barrier means a wall, fence, rope, railing, or other temporary or permanent structure erected to restrict access to a designated area of a licensed premises.

The skin, mucous membranes, and endothelia throughout the body serve as physical barriers that prevent microbes from reaching potential sites of infection. Tight cell junctions in these tissues prevent microbes from passing through.

PLEASE MARK MY ANSWER AS A BRAINLIEST ANSWER..