The Skin Is an Effective Barrier Against Invading Microbes Because

question 16

Multiple Choice

The skin is an effective barrier against invading microbes because

• A) the outer layers of cells are dead.
• B) the surface is covered in salt.
• C) it is well supplied with blood vessels to flush microbes from the surface.
• D) no microbes are able to survive on the surface.
• E) the outer layers are dead and covered in salt.

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Definitions:

Blood Flow

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various factors or signals in the marketing environment that affect consumers' purchase decisions.

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