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Why is the skin considered as the first line of defense of our body against microorganisms? What I Have Learned aplete the concept map below. Write your answer in your Science nal. Integumentary System​

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Answer:

Physical and chemical barriers form the first line of defense when the body is invaded. The skin has thick layer of dead cells in the epidermis which provides a physical barrier. Periodic shedding of the epidermis removes microbes. The mucous membranes produce mucus that trap microbes.

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