What are nephridia?

Just as there are nephridia in earthworm, so are

Just as there are nephridia in earthworm, so are

Identify the following structures labelled A to E in the diagram given below the list I to V I. Septal nephridia II. Pharynx III. Forest of integumentary nephridia IV. Integumentary nephridia V. Tufts of Pharyngeal nephridia

What is the function of nephridia ?

What is the function of nephridia?

What is the function of nephridia?

(i) Which term is used for tiny, coiled tubules known to perform function of excretion and osmoregulation in earthworm ? (ii) What are enteronephric and ectonephric nephridia ?