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CBSE Class 10 Answered

name excretory organ in human beings and hydra
Asked by ankitmadan | 05 Jun, 2008, 07:24: PM
Expert Answer

Excretory organ in human beings is kidney.

In hydra, the excretory materials diffuse through the cell membrane directly into the watery environment.

Answered by | 06 Jun, 2008, 07:22: PM

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