What are gastric glands? What they secret and its functions?

CBSE Class 10
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  1. What are gastric glands? What they secret and its functions?
  2. What is the role of acid in the stomach?
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  1. The gastric gland is the primary secretory unit of the stomach. The gastric gland is an essential body component because it secretes gastric juice. The gastric juice contains hydrochloric acid, pepsin and mucus.Pepsin helps in digestion of proteins, hydrochloric acid helps in the functionality of pepsin and kills bacteria and mucus protects the inner lining of the stomach.

  2. Role of Hydrochloric acid in our stomach:
    i. It provides an acidic medium in our stomach which is necessary for activation of pepsin enzyme.
    ii. It kills germs present in the food.