Forest of nephridia are present in

Forests of intergumentary nephridia are present in

Forests of integumentary nephridia are present in 1)Pharyngeal region 2) Clitellar region 3) Pre clitellar region 4) Post clitellar region

In pheretima posthuma pharyngeal nephridia are present in

In pheretima posthuma pharyngeal nephridia are present in

In pheretima posthuma pharyngeal nephridia are present in

In earthworm, the "forest of nephridia" is in

In earthworm, the "forest of nephridia" is in

In earthworm, the "forest of nephridia" is in

Write short note on Protonephridia. OR Explain the type of nephridia present in animal that lack true body cavity.