Name the cell that secretes mucus. What are the functions of mucus ?

Goblet cells secrete mucus, but in gastric glands mucus neck cells secrete mucus.

Functions of mucus :

1. Mucus lubricates the food

2. Mucus dilutes the action of enzymes so that they may not affect wall of alimentary canal. In case of duodenum mucoid fluid also protects wall of duodenum form acidic chyme.