In which of these animals antennal gland or green glands functions as excretory

In which of these animals, antennal gland or green glands functions as excretory organ

(a) Human being
(b) Cockroach
(c) Planaria
(d) Prawn

Prawn

In crustaceans, antennary gland or green gland is the chief excretory organ which eliminate ammonia from the animal body.

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