Mayazoey

==== Secretions ====

==== Secretions ====

*Mucus - inhibits contact and protects the mucosal surface

*Mucus - inhibits contact and protects the mucosal surface

*Digestive enzymes -

*Digestive enzymes - nonspecifically target bacteria and viruses

*Bile - kills some bacteria and viruses  

*Bile - kills some bacteria and viruses

 

==== Epithelium ====

==== Epithelium ====

*"Tight junctions" between epithelial cells prevent entry of macromolecules and pathogens into the intestinal tract.

*"Tight junctions" between epithelial cells prevent entry of macromolecules and pathogens into the intestinal tract.