What are nephrida?

Answer:

if you mean nephridia (an extra 'i' second to end) they are specialised organs that function similar to kidneys in that they are used for osmoregulation and excretion. In annelids (which are segmented worms) there is one pair of nephridia per segment.

First answer by ID2427269949. Last edit by ID2427269949. Question popularity: 1 [recommend question].