____ helps in the protection of gastric mucosa from hydrochloric acid.
Mucus
Mucus helps in the protection of gastric mucosa from hydrochloric acid. Pepsinogen is the inactive form of the protein-digesting enzyme, pepsin. Gastric lipase is an enzyme that breaks down dietary fats into fatty acids and glycerol. Villi are the finger-like projections in the small intestine that help in increasing the surface area.