All of the following protect the skin and mucous membranes from infection EXCEPT
A) saliva.
B) tears.
C) multiple layers of cells.
D) HCl.
E) the ʺciliary escalator.ʺ

Name: All of the following protect the skin and mucous membranes from infection EXCEPT A) saliva. B) tears. C) multiple layers of cells. D) HCl. E) the ʺciliary escalator.ʺ
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Question

Quizplus · Accepted Answer

Hydrochloric acid (HCl) is found in the stomach and aids in digestion, not directly in protecting skin and mucous membranes from infection.

All of the Following Protect the Skin and Mucous Membranes