• Stomach is a thick walled bag present on the left side of the abdomen.
  • It is the widest part of the Alimentary canal.
  • Food pipe brings the slightly digested food to the stomach.
  • Stomach then churns food for about 3 hours and turns it into a semi-solid paste .
  • Stomach is shaped like a flattened "J" .


  • The inner lining of the stomach contains glands that secrete mucus, hydrochloric acid and digestive juices .
  • The mucus protects the lining of the stomach.
  • The acid kills many bacteria that enter along with the food and makes the medium in the stomach acidic and helps the digestive juices to act .
  • The digestive juices break down the proteins into simpler substances.
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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo