Which of the following is a physical barrier in the nonspecific defense of a mammalian host?

Question

Quizplus · Accepted Answer

Mucous membranes are a physical barrier in the nonspecific defense of a mammalian host. They line various passages and cavities in the body, such as the respiratory and digestive tracts, and secrete mucus that can trap pathogens and prevent them from entering the body. Inflammation, phagocytosis, and fever are all part of the body's nonspecific defense mechanisms, but they are not physical barriers.

Which of the Following Is a Physical Barrier in the Nonspecific