Examples of physical barriers against pathogens include all of the following except A)sebaceous glands. B)mucus. C)epithelia. D)epidermal layers. E)blood.

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Quizplus · Accepted Answer

Blood is not typically considered a physical barrier against pathogens, but rather part of the immune response system that can help detect and eliminate pathogens. The other options listed are all physical barriers that help to physically block pathogens from entering the body or reaching internal tissues and organs.

Examples of Physical Barriers Against Pathogens Include All of the Following