One Word AnswersAnswer in one word or one line.
(iv) How many segments are present in the abdomen of cockroach?
Short Answer TypeAnswer the following
(i) What is the function of nephridia?
Nephridia are segmentally arranged coiled tubules which act as excretory organs in the earthworms. It performs the following function:
i. Regulate the volume and composition of the body fluids .
ii. Collects excess fluid from the coelomic chamber.
iii. Delivers the wastes through a pore to the surface in the body wall
into the digestive tube.
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