The gastric gland secretes gastric juice that contains ___.
hydrochloric acid
mucus
pepsin
One important component of gastric juice is pepsin. Pepsin is a digestive enzyme in the stomach that converts proteins to peptones partially. Gastric juice also contains hydrochloric acid which kills germs present in the food. Mucus is another component in gastric juice which protects the stomach wall from the action of digestive juices.