Structural Organisation of Animals — Science STD 10 — Question
Tamilnadu BoardEnglish MediumSTD 10ScienceStructural Organisation of Animals1 Mark
Question
Explain the Excretory System of Leech briefly.
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Answer
In Leech, excretion takes place by segmentally arranged paired tubules called Nephridia. There are 17 pairs of Nephridia, which open out by nephridiopores from 6th to 22nd segments.
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