Multiple choice

The gastric juice is sysnthesised by

  1. Caecum

  2. Colon

  3. Small intestine

  4. Stomach
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The inner layer of the stomach wall, the mucosa, is specialized to produce large quantities of gastric juice, up to 2 dm each day. Gastric juice contains protease and lipase, as well as hydrochloric acid (HCL).To protect the cells in the wall from damage by the acid and proteases, they are covered with a slimy coat of mucus containing hydrogen carbonate ions which neutralize the acid.

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