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FSc Biology Book2, CH 15, LEC 9: Excretion in Earthworm and Cockroach

http://www.dailymotion.com/video/x14rmcp_fsc-biology-book2-ch-15-lec-9-excretion-in-earthworm-and-cockroach_tv

This video lecture from Homeostasis (F.Sc. second year Biology) covers: Excretion in Earthworm and Cockroach. Earth worm have tubular excretory system (metanephridium) present in each segment, while cockroach has malpighian tubules to collect waste from haemolymph. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab

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