Which structure is typically found in every b | vedclass

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(A) In an earthworm $(Pheretima)$,the excretory organs are segmentally arranged coiled tubules called nephridia. There are three types of nephridia ba

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Septal nephridia

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(A) In an earthworm $(Pheretima)$,the excretory organs are segmentally arranged coiled tubules called nephridia. There are three types of nephridia based on their location: $1$. Septal nephridia: These are present on both sides of the intersegmental septa of segment $15$ to the last,which open into the intestine. $2$. Integumentary nephridia: These are attached to the lining of the body wall of segment $3$ to the last,which open on the body surface. $3$. Pharyngeal nephridia: These are present as three paired tufts in the $4th$,$5th$,and $6th$ segments. Among the given options,septal nephridia are the structures that are found in almost every segment from the $15th$ segment to the last,making them a characteristic feature of the body segments.

Which structure is typically found in every body segment of an earthworm?

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