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In which segments of alimentary canal, stomach is present?

 

Option: 1

1-3 segments.

 


Option: 2

15th segment

 


Option: 3

9-14 segments

 


Option: 4

8-9 segments


Answers (1)

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 Alimentary Canal of Earthworm

  • The alimentary canal is a straight tube that runs between the first segment to the last segment of the body of an earthworm.
  • The buccal cavity is situated in 1-3 segments.
  • It is followed by the muscular pharynx.
  • The pharynx is followed by an esophagus in 5-7 segments.
  • It is followed by a muscular gizzard in 8-9 segments.
  • The 9-14 segments contain the stomach.
  • The intestines are the major organs that begin from the 15th segment and continue until the last segment.
  • During digestion, the ingested soil is passed through the digestive tract and is digested into small absorbable substances which are absorbed through the membranes of the intestine.

 

The 9-14 segments contain the stomach

Posted by

Ritika Jonwal

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