Question

outline the role of skin and mucous membranes in defense against pathogens

Answer 1

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Pathogens can't penetrate through skin. The skin is a first line defence meganism of the body. Mucous membranes are also a 1st line defence. They line the entrances to the body such as in the respiratory tract entrances. Mucus produced by these membranes traps foreign particles and directs them out of the body.