name the oragans of extcreation in annelids and arthropoda
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Annelids have nephridia as their excretory organ ,which works analogous to kidney . Arthropods have malpighian tubules as their excretory organ. Coelenterates do not have any special organ for excretion of waste matter .
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(a) In Arthropods, the Malpighian tubules remove excretory products from haemolymph. (b) In Annelids, the excretory organ occurs as segmentally arranged coiled tubules called nephridia (c) In Molluscas, excretion occurs by paired structures called organ of Bojanus also called metanephridia.
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