Question

Short note on Nephridia.

Answer 1

The Nephridium is an invertebrate organ which takes place in pairs and performs a similar function to the vertebrate kidney.

It gets rid of the metabolic wastes from the animal body.

They are present in the many various invertebrate lines.

There are two types of Nephridium such as the Metanephridia and protonephridia

Answer 2

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Nephridia occur in two forms. The simpler, more primitive protonephridia, found in flatworms, ribbon worms, and rotifers, are usually scattered among the other body cells. ... The protonephridium consists of a hollow cell located in the body cavity and a duct leading from it to an exterior opening, called a nephridiopore.