Excretory organs known as Malpighian tubules are present in option B. insects.
The Malpighian tubule machine is a kind of excretory and osmoregulatory machine observed in some bugs, myriapods, arachnids, and tardigrades. The system includes branching tubules extending from the alimentary canal that absorbs solutes, water, and wastes from the surrounding hemolymph.
The Malpighian tubules are tubular systems that can be unfastened floating within the hemolymph and are characterized as excretory and osmoregulatory organs of bugs. those tubules function inside the same way as the human kidneys and share no unusual principles in the course of development.
The malpighian tubules are the excretory organ of cockroaches which excretes nitrogenous merchandise and different stays of metabolites. it's a far gift on the junction of the midgut and hindgut.
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