Question

in annelida Nephridia help in

Answer 1

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in annelids nephridia help in excretion

Nephridium, unit of the excretory system in many primitive invertebrates and also in the amphioxus; it expels wastes from the body cavity to the (usually aquatic) exterior.more primitive protonephridia, found in flatworms, ribbon worms, and rotifers, are usuallyprovided with nephridia for their excretion

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