The cells in the epidermis that provide protection from microorganisms are:
A) macrophages and mast cells
B) melanin and sebum
C) Langerhans and keratinocytes
D) granulocytes and agranulocytes
Ans: C
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The cells that provide protection are the Langerhans cells and keratinocytes in the epidermis and the macrophages and mast cells beneath the epidermis' basal layer.
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