Question

Nephridia are ____. a. ?respiratory organs b. ?excretory organs c. ?part of the nervous system d. ?endocrine organs e. ?circulatory organs

Answer 1

I believe the correct answer is B. Nephridia are excretory organs. They are organs found in invertebrate animals that are present in pairs and are responsible for performing functions that are similar to the kidney of a vertebrate. They excrete wastes from metabolic processes.