Which one of the following cell types is a part of innate immunity?
A
Skin epithelial cells
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B
B cells
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C
T lymphcytes
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D
Liver cells
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Solution
The correct option is B Skin epithelial cells The innate immunity includes the barriers which get activated on the attack by the pathogen. Skin is a physical barrier, mucous membranes are the defense mechanisms and phagocytes are the cells which are part of innate immunity. The continuous epithelial cell layer in the skin serves as a barrier which prevents the entry of the microbes or other pathogens.