Digestive system - oesophagus, Biology

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OESOPHAGUS -

  1. Gullet opens in oesophagus. First organ of alimentary canal.
  2. After piercing diaphragm, it form stomach in abdominal cavity.
  3. No digestion in it. Food moves by peristalasis.
  4. It is a long tube 25 cm. long. Longest in giraffe.

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