The eyes and the respiratory tract are both protected against infections by A) t

Author Question: The eyes and the respiratory tract are both protected against infections by A) t (Read 798 times)

futuristic

Hero Member
Posts: 638

on: Sep 10, 2013

The eyes and the respiratory tract are both protected against infections by
A) the mucous membranes that cover their surface.
B) the secretion of complement proteins.
C) the release of slightly alkaline secretions.
D) the secretion of lysozyme onto their surfaces.
E) interferons produced by immune cells.

aero

Hero Member
Posts: 512

Reply #1 on: Sep 14, 2013

I remember it was D

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