The nitrogenous wastes are excreted out of the body by special excretory organs called nephridia (singular nephridium). ... The body fluid of earthworm rich in nitrogenous wastes enters the nephridium through nephrostome and passes into nephridial tubule.|| In the nephridial ... Excretion system of Earthworm. read more
Excretory system of Earthworm. The process of removal of metabolic waste products including nitrogenous material like ammonia, urea, uric acid, amino acid, etc. from the body is called excretion. Excretory system consists of nephridia as excretory organ which is analogous to kidney of vertebrates. read more
The excretory organs of the earthworm are the nephridia. The earthworm is an invertebrate animal called an annelid. An annelid is an animal that is made up of many rings that are joined together; each ring is called a segment. read more
An earthworm is a tube-shaped, segmented worm found in the phylum Annelida. Earthworms are commonly found living in soil, feeding on live and dead organic matter. An earthworm's digestive system runs through the length of its body. It conducts respiration through its skin. read more
Part of an earthworm's excretory system is directly connected to his digestive system, as the intestines pass waste through the anus and out of the worm. This poop is called castings, and it serves as a type of plant fertilizer. However, some of the waste is picked up by excretory cells and carried outward to the skin. read more