Question : What are nephridia? Mention the types of nephridia in earth

1.	Question : What are nephridia? Mention the types of nephridia in earthworm?
Answer» Solution :NEPHRIDIA are microscopic , coiled and segmentally -arranged EXCRETORY and osmoregulatory structures of earthworm . There are THREE types of nephridia: pharyngeal nephridia, SEPTAL nephdridai and integumentary nephridia.

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