Question

what is excretory organ of cockroach

Answer 1

The excretory organ of cockroach is themalpighian tubules. It is found at the junction of the midgut and hind gut and are about 150 in number. They are fine, yellow coloured and branched threads present in bundles. They lie freely in the haemolymph.

Answer 2

the process of removing or eliminating the nitrogenous waste materials from the body is known as excretion. the system which performs the function of excretion is known as excretory system. the excretory system of cockroach is the malpighian tubules.it is found at the junction of mid gut and hind gut and are about 150 in number.they are fine yellow coloured  and branched threads present in bundles..